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cdl_study_guide_book_2.of.3 Flashcards

CDL Study Guide - 2.of.3 (467 cards)

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1
Q

Question:
190. The greatest braking effect of the engine is achieved when the engine operates near the governed rpm and the transmission is in lower gears?

  • close to; lower
  • above; lower
  • below; higher
A

close to; lower

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2
Q

close to; lower

A

Question:
190. The greatest braking effect of the engine is achieved when the engine operates near the governed rpm and the transmission is in lower gears?

  • close to; lower
  • above; lower
  • below; higher
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3
Q

!uestion:
191. When driving at highway speeds, how far ahead should you be looking?

  • 1/8 mile.
  • 1/2 mile.
  • 1/4 mile.
A

1/4 mile.

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4
Q

1/4 mile.

A

!uestion:
191. When driving at highway speeds, how far ahead should you be looking?

  • 1/8 mile.
  • 1/2 mile.
  • 1/4 mile.
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5
Q

Question:
192. The number 75 on the sidewall of a tire denotes what aspect of the tire?

  • The circumference of the rim
  • The width of the tire
  • The proportionality ratio
  • The height of the sidewall
A

The proportionality ratio

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6
Q

The proportionality ratio

A

Question:
192. The number 75 on the sidewall of a tire denotes what aspect of the tire?

  • The circumference of the rim
  • The width of the tire
  • The proportionality ratio
  • The height of the sidewall
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7
Q

Question:
193. What is a true statement about certain types of cargo?

  • When hauling liquids, the tank should always be loaded completely full.
  • Unstable loads, such as hanging meat or livestock, require extra caution on curves.
  • Heavy loads consisting of bulk liquids do not pose handling problems.
A

Unstable loads, such as hanging meat or livestock, require extra caution on curves.

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8
Q

Unstable loads, such as hanging meat or livestock, require extra caution on curves.

A

Question:
193. What is a true statement about certain types of cargo?

  • When hauling liquids, the tank should always be loaded completely full.
  • Unstable loads, such as hanging meat or livestock, require extra caution on curves.
  • Heavy loads consisting of bulk liquids do not pose handling problems.
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9
Q

Question:
194. Which of these statements about drinking alcohol is true?

  • A few beers have the same effect on driving as a few shots of whiskey.
  • Coffee and fresh air can sober a person up.
  • cSome people aren’t affected by drinking.
A

A few beers have the same effect on driving as a few shots of whiskey.

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10
Q

A few beers have the same effect on driving as a few shots of whiskey.

A

Question:
194. Which of these statements about drinking alcohol is true?

  • A few beers have the same effect on driving as a few shots of whiskey.
  • Coffee and fresh air can sober a person up.
  • cSome people aren’t affected by drinking.
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11
Q

Question:
195. Which of the following factors is not conducive to achieving fuel efficiency?

  • Idling the engine for a duration shorter than 10 seconds.
  • Engaging in proactive planning.
  • Employing quick starts and abrupt stops.
  • Adhering to the speed limit posted.
A

Employing quick starts and abrupt stops.

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12
Q

Employing quick starts and abrupt stops.

A

Question:
195. Which of the following factors is not conducive to achieving fuel efficiency?

  • Idling the engine for a duration shorter than 10 seconds.
  • Engaging in proactive planning.
  • Employing quick starts and abrupt stops.
  • Adhering to the speed limit posted.
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13
Q

Question:
196. In a roadside inspection, if the fluid level in any master cylinder reservoir of a vehicle with hydraulic brakes is below what amount, it will lead to the vehicle being put out of service?

  • 1/4 full.
  • 1/2 full.
  • 1/8 full.
  • full.
A

1/4 full

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14
Q

1/4 full

A

Question:
196. In a roadside inspection, if the fluid level in any master cylinder reservoir of a vehicle with hydraulic brakes is below what amount, it will lead to the vehicle being put out of service?

  • 1/4 full.
  • 1/2 full.
  • 1/8 full.
  • full.
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15
Q

Question:
197. How many reflective warning triangles should you have for emergencies?

  • 3
  • 1
  • 4
  • 2
A

3

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16
Q

3

A

Question:
197. How many reflective warning triangles should you have for emergencies?

  • 3
  • 1
  • 4
  • 2
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17
Q

Question:
198. Which of these statements about certain types of cargo is true?

  • When transporting liquids, it is recommended to completely fill the tank.
  • Special permits are not required for hauling oversize loads during daylight hours.
  • Loads that are unstable, such as hanging meat or livestock, require extra caution when navigating curves.
A

Loads that are unstable, such as hanging meat or livestock, require extra caution when navigating curves.

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18
Q

Loads that are unstable, such as hanging meat or livestock, require extra caution when navigating curves.

A

Question:
198. Which of these statements about certain types of cargo is true?

  • When transporting liquids, it is recommended to completely fill the tank.
  • Special permits are not required for hauling oversize loads during daylight hours.
  • Loads that are unstable, such as hanging meat or livestock, require extra caution when navigating curves.
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19
Q

Question:
199. Which of the following vehicles are required to come to a complete stop at a rural railroad crossing in the state of Texas?

  • Trucks carrying explosives
  • School buses
  • Heavy equipment (e.g., steamrollers)
  • All of the above
A

All of the above

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20
Q

All of the above

A

Question:
199. Which of the following vehicles are required to come to a complete stop at a rural railroad crossing in the state of Texas?

  • Trucks carrying explosives
  • School buses
  • Heavy equipment (e.g., steamrollers)
  • All of the above
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21
Q

Question:While driving a tractor-trailer on a slippery road, your drive wheels lock due to excessive braking. Consequently, your tractor skids, and the trailer begins pushing the tractor sideways. To remedy this skid, you must act before the trailer sways out to approximately what degree?
- 30 degrees.

  • 45 degrees.
  • 50 degrees.
  • 15 degrees.
A

15 degrees.

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22
Q

15 degrees.

A

Question:While driving a tractor-trailer on a slippery road, your drive wheels lock due to excessive braking. Consequently, your tractor skids, and the trailer begins pushing the tractor sideways. To remedy this skid, you must act before the trailer sways out to approximately what degree?
- 30 degrees.

  • 45 degrees.
  • 50 degrees.
  • 15 degrees.
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23
Q

Question:
201. Which of the following cannot be simultaneously checked?

  • Brake lights, turn signals, and four-way flasher functions
  • Headlights and amber reflectors
  • Brake lights and red reflectors (on rear)
A

Brake lights, turn signals, and four-way flasher functions

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24
Q

Brake lights, turn signals, and four-way flasher functions

A

Question:
201. Which of the following cannot be simultaneously checked?

  • Brake lights, turn signals, and four-way flasher functions
  • Headlights and amber reflectors
  • Brake lights and red reflectors (on rear)
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25
Question: 202. If a vehicle has most of its weight on the steering axle, what could happen? - Difficult steering and potential tire damage - Insufficient traction on the steering axle - Improved handling
Difficult steering and potential tire damage
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Difficult steering and potential tire damage
Question: 202. If a vehicle has most of its weight on the steering axle, what could happen? - Difficult steering and potential tire damage - Insufficient traction on the steering axle - Improved handling
27
Question: 203. Which of the following options is not classified as a type of retarder? - Hydraulic - Robotic - Electric
Robotic
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Robotic
Question: 203. Which of the following options is not classified as a type of retarder? - Hydraulic - Robotic - Electric
29
Question: 204. It is unnecessary to include an additional clothing item in your emergency kit? - a spare jacket is unnecessary. - a fire extinguisher - warning devices - spare electrical fuses
a spare jacket is unnecessary.
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a spare jacket is unnecessary.
Question: 204. It is unnecessary to include an additional clothing item in your emergency kit? - a spare jacket is unnecessary. - a fire extinguisher - warning devices - spare electrical fuses
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Question: 205. Which of the following statements correctly describes how to manage space on the road? - Smaller vehicles require less space to come to a complete stop compared to larger ones. - When road conditions are slippery, it is essential to maintain a larger gap in front of your vehicle. - Many accidents occur due to drivers maintaining excessive space ahead of their vehicles.
When road conditions are slippery, it is essential to maintain a larger gap in front of your vehicle.
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When road conditions are slippery, it is essential to maintain a larger gap in front of your vehicle.
Question: 205. Which of the following statements correctly describes how to manage space on the road? - Smaller vehicles require less space to come to a complete stop compared to larger ones. - When road conditions are slippery, it is essential to maintain a larger gap in front of your vehicle. - Many accidents occur due to drivers maintaining excessive space ahead of their vehicles.
33
Question: 206. After March 1, 1998, what feature must be present on converter dollies? - A yellow malfunction lamp located on the right side of the dolly. - A yellow malfunction lamp situated on the left side of the dolly. - A yellow malfunction lamp positioned in the center of the dolly.
A yellow malfunction lamp situated on the left side of the dolly.
34
A yellow malfunction lamp situated on the left side of the dolly.
Question: 206. After March 1, 1998, what feature must be present on converter dollies? - A yellow malfunction lamp located on the right side of the dolly. - A yellow malfunction lamp situated on the left side of the dolly. - A yellow malfunction lamp positioned in the center of the dolly.
35
Question: 207. How can hazardous materials be identified by examining the container? - Shape. - Label. - Color.
Label.
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Label.
Question: 207. How can hazardous materials be identified by examining the container? - Shape. - Label. - Color.
37
Question: 208. Tire chains? - should be exclusively utilized on the drive wheels. - should always be carried when driving in wintry conditions. - should never be employed on asphalt surfaces.
should always be carried when driving in wintry conditions.
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should always be carried when driving in wintry conditions.
Question: 208. Tire chains? - should be exclusively utilized on the drive wheels. - should always be carried when driving in wintry conditions. - should never be employed on asphalt surfaces.
39
Question: 209. The Commercial Vehicle Safety Alliance (CVSA) has categorized roadside inspections into eight different levels. Which level encompasses the most comprehensive inspection? - Level 1 - Level 5 - Level 8 - Level 2
Level 1
40
Level 1
Question: 209. The Commercial Vehicle Safety Alliance (CVSA) has categorized roadside inspections into eight different levels. Which level encompasses the most comprehensive inspection? - Level 1 - Level 5 - Level 8 - Level 2
41
Question: 210. Why is it essential to be in the appropriate gear before descending a hill? - Downshifting may be impractical while going downhill. - The clutch is designed for use on level surfaces. - You should maintain the same gear at the bottom of the hill.
Downshifting may be impractical while going downhill.
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Downshifting may be impractical while going downhill.
Question: 210. Why is it essential to be in the appropriate gear before descending a hill? - Downshifting may be impractical while going downhill. - The clutch is designed for use on level surfaces. - You should maintain the same gear at the bottom of the hill.
43
Question: 211. Which of the subsequent measures can aid in the prevention of cargo theft? - Inform dispatch whenever you come to a stop or park the vehicle. - All of the above measures contribute to prevention. - Maintain constant vigilance of your surroundings. - Securely lock trailers that are not attached to a vehicle to prevent their movement.
All of the above measures contribute to prevention.
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All of the above measures contribute to prevention.
Question: 211. Which of the subsequent measures can aid in the prevention of cargo theft? - Inform dispatch whenever you come to a stop or park the vehicle. - All of the above measures contribute to prevention. - Maintain constant vigilance of your surroundings. - Securely lock trailers that are not attached to a vehicle to prevent their movement.
45
Question: 212. The recommended visual distance for urban driving is? - within a range of two blocks. - as far as visually possible. - within a range of one block.
within a range of one block.
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within a range of one block.
Question: 212. The recommended visual distance for urban driving is? - within a range of two blocks. - as far as visually possible. - within a range of one block.
47
Question: 213. When roads are slippery, you should? - Reduce the distance of your visual focus ahead of the vehicle. - Stop and assess the traction capability while ascending hills. - Exercise extreme caution when making turns.
Exercise extreme caution when making turns.
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Exercise extreme caution when making turns.
Question: 213. When roads are slippery, you should? - Reduce the distance of your visual focus ahead of the vehicle. - Stop and assess the traction capability while ascending hills. - Exercise extreme caution when making turns.
49
Question: 214. Which of the following endorsements cannot be obtained on a CDL? - Hazardous materials - Passenger - Air brakes - School bus
Air brakes
50
Air brakes
Question: 214. Which of the following endorsements cannot be obtained on a CDL? - Hazardous materials - Passenger - Air brakes - School bus
51
Question: 215. In the event of a roadside inspection of your tandem dump truck, if ___________ or more defective brakes are discovered amongst the 2 brakes per axle on the 3-axle vehicle, your vehicle will be taken out of service? - 4 - 2 - 1 - 3
2
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2
Question: 215. In the event of a roadside inspection of your tandem dump truck, if ___________ or more defective brakes are discovered amongst the 2 brakes per axle on the 3-axle vehicle, your vehicle will be taken out of service? - 4 - 2 - 1 - 3
53
Question: 216. Cargo inspections? - Typically, you are not accountable for cargo inspections. - It is recommended to conduct cargo inspections after every break during your driving journey. - Cargo inspections are usually necessary if your vehicle is labeled for hazardous materials.
It is recommended to conduct cargo inspections after every break during your driving journey.
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It is recommended to conduct cargo inspections after every break during your driving journey.
Question: 216. Cargo inspections? - Typically, you are not accountable for cargo inspections. - It is recommended to conduct cargo inspections after every break during your driving journey. - Cargo inspections are usually necessary if your vehicle is labeled for hazardous materials.
55
Question: 217. According to federal regulations, what is the maximum allowable gross weight on the tandem axles of a 5-axle tractor-trailer on interstate highways? - 80,000 pounds. - 34,000 pounds. - 20,000 pounds. - 24,000 pounds.
34,000 pounds
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34,000 pounds
Question: 217. According to federal regulations, what is the maximum allowable gross weight on the tandem axles of a 5-axle tractor-trailer on interstate highways? - 80,000 pounds. - 34,000 pounds. - 20,000 pounds. - 24,000 pounds.
57
Question: 218. How many tie-downs are required for even small cargo under federal regulations? - A minimum of 6 tie-downs. - Just 1 tie-down. - At least 2 tie-downs.
At least 2 tie-downs.
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At least 2 tie-downs.
Question: 218. How many tie-downs are required for even small cargo under federal regulations? - A minimum of 6 tie-downs. - Just 1 tie-down. - At least 2 tie-downs.
59
Question: 219. Which of these statements about a pre-trip inspection is true? - It is important to secure loose items before tilting the cab. - When parked on a street, it is advised to face away from oncoming traffic. - The ignition key should be taken along during the inspection.
It is important to secure loose items before tilting the cab.
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It is important to secure loose items before tilting the cab.
Question: 219. Which of these statements about a pre-trip inspection is true? - It is important to secure loose items before tilting the cab. - When parked on a street, it is advised to face away from oncoming traffic. - The ignition key should be taken along during the inspection.
61
Question: 220. When completing a vehicle inspection report, when should you sign it? - When any defects are identified. - Only when defects are identified that are certified as repaired. - Only when defects are identified that are certified as not requiring repair.
When any defects are identified.
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When any defects are identified.
Question: 220. When completing a vehicle inspection report, when should you sign it? - When any defects are identified. - Only when defects are identified that are certified as repaired. - Only when defects are identified that are certified as not requiring repair.
63
Question: 221. What precautions should be taken when approaching a bridge? - Reduce speed to 20 mph. - Read the weight limit sign. - Drive at the center of the bridge.
Read the weight limit sign.
64
Read the weight limit sign.
Question: 221. What precautions should be taken when approaching a bridge? - Reduce speed to 20 mph. - Read the weight limit sign. - Drive at the center of the bridge.
65
Question: 222. What are the main characteristics of obstructive sleep apnea (OSA)? - Seizures - Insufficient blood flow to the heart - Stoppage of breathing - Constricted airways in the lungs
Stoppage of breathing
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Stoppage of breathing
Question: 222. What are the main characteristics of obstructive sleep apnea (OSA)? - Seizures - Insufficient blood flow to the heart - Stoppage of breathing - Constricted airways in the lungs
67
Question: 223. When trying to avoid a crash, what is the recommended steering technique? - The steering should not go beyond what is necessary to clear the obstacle in your path. - It is not recommended to apply the brakes while turning. - To avoid a crash or other hazard, it is advisable to keep both hands on the steering wheel and steer as quickly as possible.
The steering should not go beyond what is necessary to clear the obstacle in your path.
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The steering should not go beyond what is necessary to clear the obstacle in your path.
Question: 223. When trying to avoid a crash, what is the recommended steering technique? - The steering should not go beyond what is necessary to clear the obstacle in your path. - It is not recommended to apply the brakes while turning. - To avoid a crash or other hazard, it is advisable to keep both hands on the steering wheel and steer as quickly as possible.
69
Question: 224. In which situations can you transport hazardous materials without a hazardous materials (HazMat) endorsement on your CDL? - If your vehicle does not require placarding - If you are driving within the same city - If you are merely maneuvering into the street - If your employer’s regular HazMat drivers are unavailable
If your vehicle does not require placarding
70
If your vehicle does not require placarding
Question: 224. In which situations can you transport hazardous materials without a hazardous materials (HazMat) endorsement on your CDL? - If your vehicle does not require placarding - If you are driving within the same city - If you are merely maneuvering into the street - If your employer’s regular HazMat drivers are unavailable
71
Question: 225. If you are found to have a blood alcohol concentration (BAC) of 0.02%, you will be placed out-of-service for? - 48 hours. - 24 hours. - 72 hours.
24 hours.
72
24 hours.
Question: 225. If you are found to have a blood alcohol concentration (BAC) of 0.02%, you will be placed out-of-service for? - 48 hours. - 24 hours. - 72 hours.
73
Question: 226. When driving at night, what should you do? - Adjust your speed to ensure your stopping distance remains within your sight distance. - Increase your speed when using low beams. - Focus on the left side of the road when a vehicle approaches from the opposite direction.
Adjust your speed to ensure your stopping distance remains within your sight distance.
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Adjust your speed to ensure your stopping distance remains within your sight distance.
Question: 226. When driving at night, what should you do? - Adjust your speed to ensure your stopping distance remains within your sight distance. - Increase your speed when using low beams. - Focus on the left side of the road when a vehicle approaches from the opposite direction.
75
Question: 227. When driving a tractor-trailer, if you notice that your trailer is veering to one side as observed through your mirrors, what is the most probable cause of this issue? - Axle misalignment - Malfunctioning brakes - Steering problems - Fifth wheel misalignment
Axle misalignment
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Axle misalignment
Question: 227. When driving a tractor-trailer, if you notice that your trailer is veering to one side as observed through your mirrors, what is the most probable cause of this issue? - Axle misalignment - Malfunctioning brakes - Steering problems - Fifth wheel misalignment
77
Question: 228. When driving a tractor-trailer, if you notice that your trailer is veering to one side as observed through your mirrors, what is the most probable cause of this issue? - Axle misalignment - Malfunctioning brakes - Steering problems - Fifth wheel misalignment
Axle misalignment
78
Axle misalignment
Question: 228. When driving a tractor-trailer, if you notice that your trailer is veering to one side as observed through your mirrors, what is the most probable cause of this issue? - Axle misalignment - Malfunctioning brakes - Steering problems - Fifth wheel misalignment
79
Question: 229. What is the purpose of a header board? - To shield you from your cargo in the event of a crash or sudden stop - To serve as an ornamental covering for the intake grill of your radiator - To permit you to make notes whilst driving - To hinder objects from being tossed around the cabin during a crash
To shield you from your cargo in the event of a crash or sudden stop
80
To shield you from your cargo in the event of a crash or sudden stop
Question: 229. What is the purpose of a header board? - To shield you from your cargo in the event of a crash or sudden stop - To serve as an ornamental covering for the intake grill of your radiator - To permit you to make notes whilst driving - To hinder objects from being tossed around the cabin during a crash
81
Question: 230. If your brakes fail on a downgrade, what should you do? - Engage the parking brakes. - Utilize engine braking. - Make use of an escape ramp. - Attempt to collide with the guardrail or any other barrier.
Make use of an escape ramp.
82
Make use of an escape ramp.
Question: 230. If your brakes fail on a downgrade, what should you do? - Engage the parking brakes. - Utilize engine braking. - Make use of an escape ramp. - Attempt to collide with the guardrail or any other barrier.
83
Question: 231. You are operating a lengthy vehicle that necessitates wide turns. While attempting to make a left turn from a four-lane, two-way street onto another four-lane, two-way street, what should you do? - Make a slight left turn prior to entering the intersection. - Commence turning your vehicle as soon as you enter the intersection. - Initiate the turning process after reaching the midpoint of the intersection.
Initiate the turning process after reaching the midpoint of the intersection.
84
Initiate the turning process after reaching the midpoint of the intersection.
Question: 231. You are operating a lengthy vehicle that necessitates wide turns. While attempting to make a left turn from a four-lane, two-way street onto another four-lane, two-way street, what should you do? - Make a slight left turn prior to entering the intersection. - Commence turning your vehicle as soon as you enter the intersection. - Initiate the turning process after reaching the midpoint of the intersection.
85
Question: 232. The primary component in Diesel Exhaust Fluid (DEF) is? - urea. - water. - oil. - antifreeze.
Urea
86
Urea
Question: 232. The primary component in Diesel Exhaust Fluid (DEF) is? - urea. - water. - oil. - antifreeze.
87
Question: 233. What is the primary drawback of present-day fully automatic (NOT automated manual) transmissions? - High cost - Difficult to operate - Unproven, experimental technology - Hesitation when initiating motion
High cost
88
High cost
Question: 233. What is the primary drawback of present-day fully automatic (NOT automated manual) transmissions? - High cost - Difficult to operate - Unproven, experimental technology - Hesitation when initiating motion
89
Question: 234. You find yourself driving in the right lane of an undivided four-lane road with heavy traffic. Upon navigating a curve, you notice a hazard ahead in your lane. Without sufficient space to come to a stop, what course of action should you take? - Steer towards the right. - Steer towards the left lane. - Brake with force and prepare for impact.
Steer towards the right.
90
Steer towards the right.
Question: 234. You find yourself driving in the right lane of an undivided four-lane road with heavy traffic. Upon navigating a curve, you notice a hazard ahead in your lane. Without sufficient space to come to a stop, what course of action should you take? - Steer towards the right. - Steer towards the left lane. - Brake with force and prepare for impact.
91
Question: 235. What is the reason for the natural increase in vehicle speed on downgrades? - Gravity - Efficient engine functioning - Decreased traction
Gravity
92
Gravity
Question: 235. What is the reason for the natural increase in vehicle speed on downgrades? - Gravity - Efficient engine functioning - Decreased traction
93
Question: 236. What is the required minimum tread depth for front tires? - 1/32 inch. - 4/32 inch. - 3/8 inch. - 1/2 inch.
4/32 inch
94
4/32 inch
Question: 236. What is the required minimum tread depth for front tires? - 1/32 inch. - 4/32 inch. - 3/8 inch. - 1/2 inch.
95
Question: 237. If a tire blowout occurs at high speeds, what are the possible consequences? - A loud booming sound - A noticeable trembling sensation - A sudden decrease in speed below 20 mph
A noticeable trembling sensation
96
A noticeable trembling sensation
Question: 237. If a tire blowout occurs at high speeds, what are the possible consequences? - A loud booming sound - A noticeable trembling sensation - A sudden decrease in speed below 20 mph
97
Question: 238. Which of the following statements accurately reflects the impact of drugs? - Consumption of alcohol or drugs can result in a collision or an arrest. - A driver has unrestricted usage of any prescription drug while driving. - Specific prescription drugs are permitted for the purpose of minimizing fatigue.
Consumption of alcohol or drugs can result in a collision or an arrest.
98
Consumption of alcohol or drugs can result in a collision or an arrest.
Question: 238. Which of the following statements accurately reflects the impact of drugs? - Consumption of alcohol or drugs can result in a collision or an arrest. - A driver has unrestricted usage of any prescription drug while driving. - Specific prescription drugs are permitted for the purpose of minimizing fatigue.
99
Question: 239. Employing a helper is advisable when backing your vehicle in which situations? - Whenever possible. - When you are operating a vehicle with a trailer attached. - When you are required to reverse on a curved path.
Whenever possible.
100
Whenever possible.
Question: 239. Employing a helper is advisable when backing your vehicle in which situations? - Whenever possible. - When you are operating a vehicle with a trailer attached. - When you are required to reverse on a curved path.
101
Question: 240. Hydroplaning? - Is impossible when driving through a puddle. - Has a higher likelihood of occurrence when tire pressures are low. - May occur at speeds exceeding 50 mph.
Has a higher likelihood of occurrence when tire pressures are low.
102
Has a higher likelihood of occurrence when tire pressures are low.
Question: 240. Hydroplaning? - Is impossible when driving through a puddle. - Has a higher likelihood of occurrence when tire pressures are low. - May occur at speeds exceeding 50 mph.
103
Question: 241. When is an engine retarder most efficient? - At lower engine RPMs and higher vehicle speeds. - At higher engine RPMs and lower vehicle speeds. - At lower engine RPMs and lower vehicle speeds. - At higher engine RPMs and higher vehicle speeds.
At higher engine RPMs and lower vehicle speeds.
104
At higher engine RPMs and lower vehicle speeds.
Question: 241. When is an engine retarder most efficient? - At lower engine RPMs and higher vehicle speeds. - At higher engine RPMs and lower vehicle speeds. - At lower engine RPMs and lower vehicle speeds. - At higher engine RPMs and higher vehicle speeds.
105
Question: 242. Lumpers are individuals typically employed by to unload cargo from the truck at the destination? - the shipper - the receiver - the carrier - a third party
a third party
106
a third party
Question: 242. Lumpers are individuals typically employed by to unload cargo from the truck at the destination? - the shipper - the receiver - the carrier - a third party
107
Question: 243. What should be remembered about the use of mirrors? - Mirrors have blind spots that limit visibility. - It is necessary to observe mirrors for an extended duration. - Convex mirrors distort the size and distance of objects.
Mirrors have blind spots that limit visibility.
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Mirrors have blind spots that limit visibility.
Question: 243. What should be remembered about the use of mirrors? - Mirrors have blind spots that limit visibility. - It is necessary to observe mirrors for an extended duration. - Convex mirrors distort the size and distance of objects.
109
Question: 244. How is Working Load Limit (WLL) defined? - Truly, the Working Load Limit signifies the minimal load given that can be imposed on a constituent of a cargo securement system in customary service. Often, it is ascertained by the manufacturer of the aforementioned constituent. - On the other hand, the Working Load Limit implies the maximum load permitted in customary service that can be applied to a cargo securement system. Typically, it is designated by the vehicle manufacturer. - The Working Load Limit conveys the maximum load allowable that can be imposed on a constituent of a cargo securement system during normal service. Usually, this limit is assigned by the manufacturer of the said constituent.
The Working Load Limit conveys the maximum load allowable that can be imposed on a constituent of a cargo securement system during normal service. Usually, this limit is assigned by the manufacturer of the said constituent.
110
The Working Load Limit conveys the maximum load allowable that can be imposed on a constituent of a cargo securement system during normal service. Usually, this limit is assigned by the manufacturer of the said constituent.
Question: 244. How is Working Load Limit (WLL) defined? - Truly, the Working Load Limit signifies the minimal load given that can be imposed on a constituent of a cargo securement system in customary service. Often, it is ascertained by the manufacturer of the aforementioned constituent. - On the other hand, the Working Load Limit implies the maximum load permitted in customary service that can be applied to a cargo securement system. Typically, it is designated by the vehicle manufacturer. - The Working Load Limit conveys the maximum load allowable that can be imposed on a constituent of a cargo securement system during normal service. Usually, this limit is assigned by the manufacturer of the said constituent.
111
Question: 245. According to the Hours of Service (HOS) regulations, how many consecutive hours of driving without a break necessitate a 30-minute break? - 8 - 4 - 10 - 6
8
112
8
Question: 245. According to the Hours of Service (HOS) regulations, how many consecutive hours of driving without a break necessitate a 30-minute break? - 8 - 4 - 10 - 6
113
Question: 246. When it comes to securing a large boulder for transportation, what type of tiedowns should be used? - Synthetic webbing - Wire rope - Chains - Steel straps
Chains
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Chains
Question: 246. When it comes to securing a large boulder for transportation, what type of tiedowns should be used? - Synthetic webbing - Wire rope - Chains - Steel straps
115
Question: 247. Which of these statements about staying alert to drive is true? - If you must stop to take a nap, it should be at a truck stop or other rest area, never on the side of the road. - Sleep is the only thing that can overcome fatigue. - A half-hour break for coffee will do more to keep you alert than a half-hour nap.
Sleep is the only thing that can overcome fatigue.
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Sleep is the only thing that can overcome fatigue.
Question: 247. Which of these statements about staying alert to drive is true? - If you must stop to take a nap, it should be at a truck stop or other rest area, never on the side of the road. - Sleep is the only thing that can overcome fatigue. - A half-hour break for coffee will do more to keep you alert than a half-hour nap.
117
Question: 248. When passing another vehicle, pedestrian, or bicyclist, assume that they have not seen you and might move into your way. Communicate your presence to them and proceed with caution? - One should assume that pedestrians, bicyclists, or other vehicles may move into your traffic lane while passing them. - It is important to be cautious when passing pedestrians, bicyclists, or other vehicles as they may unexpectedly move into your traffic lane. - To ensure safety, it is necessary to assume that pedestrians, bicyclists, or other vehicles have seen you when passing them.
It is important to be cautious when passing pedestrians, bicyclists, or other vehicles as they may unexpectedly move into your traffic lane.
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It is important to be cautious when passing pedestrians, bicyclists, or other vehicles as they may unexpectedly move into your traffic lane.
Question: 248. When passing another vehicle, pedestrian, or bicyclist, assume that they have not seen you and might move into your way. Communicate your presence to them and proceed with caution? - One should assume that pedestrians, bicyclists, or other vehicles may move into your traffic lane while passing them. - It is important to be cautious when passing pedestrians, bicyclists, or other vehicles as they may unexpectedly move into your traffic lane. - To ensure safety, it is necessary to assume that pedestrians, bicyclists, or other vehicles have seen you when passing them.
119
Question: 249. What should be your reaction to an aggressive driver? - Grant the driver the benefit of the doubt. - Smoke a cigarette to relax. - Consume a snack to raise your blood sugar level.
Grant the driver the benefit of the doubt.
120
Grant the driver the benefit of the doubt.
Question: 249. What should be your reaction to an aggressive driver? - Grant the driver the benefit of the doubt. - Smoke a cigarette to relax. - Consume a snack to raise your blood sugar level.
121
Question: 250. In the event that your reaction time while driving increases by __________, the likelihood of having an accident will double? - One second - Half a second - One-quarter of a second
Half a second
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Half a second
Question: 250. In the event that your reaction time while driving increases by __________, the likelihood of having an accident will double? - One second - Half a second - One-quarter of a second
123
Question: 251. Which of the following is a true statement regarding using a heater while driving in winter weather? - If feeling drowsy, warm up the cab with the heater. - Before driving, ensure the cab heater is operational. - Mirror heaters are required by federal regulations in below-freezing weather.
Before driving, ensure the cab heater is operational.
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Before driving, ensure the cab heater is operational.
Question: 251. Which of the following is a true statement regarding using a heater while driving in winter weather? - If feeling drowsy, warm up the cab with the heater. - Before driving, ensure the cab heater is operational. - Mirror heaters are required by federal regulations in below-freezing weather.
125
Question: 252. In an automobile, the elements responsible for transferring power from the engine are termed as? - the axles. - the powertrain. - the drivetrain. - the driveshaft.
the drivetrain.
126
the drivetrain.
Question: 252. In an automobile, the elements responsible for transferring power from the engine are termed as? - the axles. - the powertrain. - the drivetrain. - the driveshaft.
127
Question: 253. What is true about cargo loading? - Should the shipper load the cargo, the responsibility of overloading falls on the driver. - Legal weight limits are determined by state laws. - The legal weight limit imposed by a state is generally deemed safe for all driving conditions.
Legal weight limits are determined by state laws.
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Legal weight limits are determined by state laws.
Question: 253. What is true about cargo loading? - Should the shipper load the cargo, the responsibility of overloading falls on the driver. - Legal weight limits are determined by state laws. - The legal weight limit imposed by a state is generally deemed safe for all driving conditions.
129
Question: 254. During a pre-trip inspection, what items should be checked? - The condition of the windshield wipers - Functionality and cleanliness of all vehicle lights - Both the condition of the windshield wipers and functionality of all vehicle lights
Both the condition of the windshield wipers and functionality of all vehicle lights
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Both the condition of the windshield wipers and functionality of all vehicle lights
Question: 254. During a pre-trip inspection, what items should be checked? - The condition of the windshield wipers - Functionality and cleanliness of all vehicle lights - Both the condition of the windshield wipers and functionality of all vehicle lights
131
Question: 255. As part of your pre-trip inspection process, you examine the suspension and brakes of your vehicle. Which of the following statements is accurate? - Both of the aforementioned statements are correct. - Brake shoes should not be contaminated with oil, grease, or brake fluid. - Brake pads should be free of brake fluid.
Both of the aforementioned statements are correct.
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Both of the aforementioned statements are correct.
Question: 255. As part of your pre-trip inspection process, you examine the suspension and brakes of your vehicle. Which of the following statements is accurate? - Both of the aforementioned statements are correct. - Brake shoes should not be contaminated with oil, grease, or brake fluid. - Brake pads should be free of brake fluid.
133
Question: 256. How frequently must medical certificates be renewed? - Every 4 years. - Every 2 years. - Every 9 months.
Every 2 years.
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Every 2 years.
Question: 256. How frequently must medical certificates be renewed? - Every 4 years. - Every 2 years. - Every 9 months.
135
Question: 257. Which of these beverages contains the highest amount of alcohol? - A 12-ounce glass of 5% beer. - A 1.5-ounce shot of 80-proof liquor. - None (i.e., they all have the same alcohol content). - A 5-ounce glass of 12% wine.
None (i.e., they all have the same alcohol content).
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None (i.e., they all have the same alcohol content).
Question: 257. Which of these beverages contains the highest amount of alcohol? - A 12-ounce glass of 5% beer. - A 1.5-ounce shot of 80-proof liquor. - None (i.e., they all have the same alcohol content). - A 5-ounce glass of 12% wine.
137
Question: 258. According to federal regulations, it is mandatory to notify the police if you are involved in a collision that leads to? - fatalities. - severe injury. - any of the aforementioned situations. - a vehicle being towed away from the scene.
any of the aforementioned situations.
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any of the aforementioned situations.
Question: 258. According to federal regulations, it is mandatory to notify the police if you are involved in a collision that leads to? - fatalities. - severe injury. - any of the aforementioned situations. - a vehicle being towed away from the scene.
139
Question: 259. Which of the ensuing signs may indicate a tire failure? - Vehicle fishtailing - Both of the above - Vehicle thumping or vibrating
Both of the above
140
Both of the above
Question: 259. Which of the ensuing signs may indicate a tire failure? - Vehicle fishtailing - Both of the above - Vehicle thumping or vibrating
141
Question: 260. As per the Hours of Service (HOS) regulations, what is the maximum duration a driver of a cargo-carrying vehicle can drive during a 14-hour on-duty period? - 11 hours - 13 hours - 10 hours - 12 hours
11 hours
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11 hours
Question: 260. As per the Hours of Service (HOS) regulations, what is the maximum duration a driver of a cargo-carrying vehicle can drive during a 14-hour on-duty period? - 11 hours - 13 hours - 10 hours - 12 hours
143
Question: 261. What is the primary reason for conducting a pre-trip vehicle inspection? - To mitigate the employer’s liability - To ascertain the safety of the vehicle - To impress the supervisor - To ensure the cleanliness of the vehicle
To ascertain the safety of the vehicle
144
To ascertain the safety of the vehicle
Question: 261. What is the primary reason for conducting a pre-trip vehicle inspection? - To mitigate the employer’s liability - To ascertain the safety of the vehicle - To impress the supervisor - To ensure the cleanliness of the vehicle
145
Question: 262. You are facing difficulties in maneuvering your truck into the loading dock. Your assistant offers to handle the backing for you. In this situation, you should? - permit your assistant to handle the backing while you serve as the helper. - consult the receiver for guidance. - respectfully decline the offer. - permit your assistant to handle the backing while you inform dispatch about the change in responsibilities.
respectfully decline the offer.
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respectfully decline the offer.
Question: 262. You are facing difficulties in maneuvering your truck into the loading dock. Your assistant offers to handle the backing for you. In this situation, you should? - permit your assistant to handle the backing while you serve as the helper. - consult the receiver for guidance. - respectfully decline the offer. - permit your assistant to handle the backing while you inform dispatch about the change in responsibilities.
147
Question: 263. Under federal law, when can you refuse to perform a task assigned by your employer that you believe could result in severe injury? - If any other reasonable person would agree with your assessment regarding the probability of injury. - If you requested that your employer address the problem. - If your employer refused to rectify the issue. - All of the above conditions must be met.
All of the above conditions must be met.
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All of the above conditions must be met.
Question: 263. Under federal law, when can you refuse to perform a task assigned by your employer that you believe could result in severe injury? - If any other reasonable person would agree with your assessment regarding the probability of injury. - If you requested that your employer address the problem. - If your employer refused to rectify the issue. - All of the above conditions must be met.
149
Question: 264. How or where is cargo blocking used? - Tightly secured around the cargo - From the upper section of the cargo to the floor - Positioned at the front, rear, or sides of the cargo
Positioned at the front, rear, or sides of the cargo
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Positioned at the front, rear, or sides of the cargo
Question: 264. How or where is cargo blocking used? - Tightly secured around the cargo - From the upper section of the cargo to the floor - Positioned at the front, rear, or sides of the cargo
151
Question: 265. The Texas Commercial Motor Vehicle Drivers Handbook suggests several things to do when you pass a vehicle. Which of these is NOT one of them? - Do not assume that the other driver sees you. - Avoid constantly honking your horn while passing the vehicle. - At night, refrain from flashing your lights from low to high beam and back while passing the vehicle.
Avoid constantly honking your horn while passing the vehicle.
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Avoid constantly honking your horn while passing the vehicle.
Question: 265. The Texas Commercial Motor Vehicle Drivers Handbook suggests several things to do when you pass a vehicle. Which of these is NOT one of them? - Do not assume that the other driver sees you. - Avoid constantly honking your horn while passing the vehicle. - At night, refrain from flashing your lights from low to high beam and back while passing the vehicle.
153
Question: 266. The list of out-of-service criteria used as the standard for roadside inspections of CMVs is published by? - PHMSA. - CVSA. - NHTSA. - FMCSA.
CVSA.
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CVSA.
Question: 266. The list of out-of-service criteria used as the standard for roadside inspections of CMVs is published by? - PHMSA. - CVSA. - NHTSA. - FMCSA.
155
Question: 267. You are operating a tractor-trailer. When initiating movement uphill from a standstill, you should? - Maintain the application of the trailer brake hand valve until reaching 20 mph. - Release the parking brake while applying engine power. - Quickly engage the clutch and accelerate.
Release the parking brake while applying engine power.
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Release the parking brake while applying engine power.
Question: 267. You are operating a tractor-trailer. When initiating movement uphill from a standstill, you should? - Maintain the application of the trailer brake hand valve until reaching 20 mph. - Release the parking brake while applying engine power. - Quickly engage the clutch and accelerate.
157
Question: 268. If you are found to have violated an out-of-service order while driving a coach bus, you will be disqualified from commercial driving for up to? - a period of 90 days. - a maximum of 180 days. - a duration of 2 years. - a timeframe of 1 year.
a duration of 2 years.
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a duration of 2 years.
Question: 268. If you are found to have violated an out-of-service order while driving a coach bus, you will be disqualified from commercial driving for up to? - a period of 90 days. - a maximum of 180 days. - a duration of 2 years. - a timeframe of 1 year.
159
Question: 269. During the pre-trip inspection of a bus, what checks should you perform on the driveshaft assembly? - Verify that the U-joints are not loose or worn. - Ensure that the guards are securely mounted and in good condition. - Perform all of the above checks. - Check that the driveshaft is not bent or cracked.
Perform all of the above checks.
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Perform all of the above checks.
Question: 269. During the pre-trip inspection of a bus, what checks should you perform on the driveshaft assembly? - Verify that the U-joints are not loose or worn. - Ensure that the guards are securely mounted and in good condition. - Perform all of the above checks. - Check that the driveshaft is not bent or cracked.
161
Question: 270. How many commercial driver licenses (CDLs) from different states can you possess simultaneously? - Four - One - Three - Two
One
162
One
Question: 270. How many commercial driver licenses (CDLs) from different states can you possess simultaneously? - Four - One - Three - Two
163
Question: 271. When traveling on roads where the speed limits for Commercial Motor Vehicles (CMVs) are lower compared to cars, it is essential to? - drive at approximately the same speed as other CMVs. - drive at approximately the same speed as cars. - exercise additional caution when changing lanes or passing.
exercise additional caution when changing lanes or passing.
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exercise additional caution when changing lanes or passing.
Question: 271. When traveling on roads where the speed limits for Commercial Motor Vehicles (CMVs) are lower compared to cars, it is essential to? - drive at approximately the same speed as other CMVs. - drive at approximately the same speed as cars. - exercise additional caution when changing lanes or passing.
165
Question: 272. When a vehicle without a trailer or articulation experiences a front-wheel skid, its behavior is such that it? - slips horizontally and rotates uncontrollably. - shifts towards the right direction. - travels directly forward, regardless of any steering input.
travels directly forward, regardless of any steering input.
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travels directly forward, regardless of any steering input.
Question: 272. When a vehicle without a trailer or articulation experiences a front-wheel skid, its behavior is such that it? - slips horizontally and rotates uncontrollably. - shifts towards the right direction. - travels directly forward, regardless of any steering input.
167
Question: 273. What is the primary objective of Diesel Exhaust Fluid (DEF)? - To minimize carbon monoxide (CO) emissions - To reduce the temperature of the exhaust - To mitigate nitrogen oxides (NOx) emissions - To maintain the cleanliness of the exhaust system
To mitigate nitrogen oxides (NOx) emissions
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To mitigate nitrogen oxides (NOx) emissions
Question: 273. What is the primary objective of Diesel Exhaust Fluid (DEF)? - To minimize carbon monoxide (CO) emissions - To reduce the temperature of the exhaust - To mitigate nitrogen oxides (NOx) emissions - To maintain the cleanliness of the exhaust system
169
Question: 274. What should you do when approaching a hazard in a work zone? - Use your four-way flashers or brake lights to alert other drivers. - Swerve around the hazard and return to your lane. - React swiftly and maneuver to the side of the road.
Use your four-way flashers or brake lights to alert other drivers.
170
Use your four-way flashers or brake lights to alert other drivers.
Question: 274. What should you do when approaching a hazard in a work zone? - Use your four-way flashers or brake lights to alert other drivers. - Swerve around the hazard and return to your lane. - React swiftly and maneuver to the side of the road.
171
Question: 275. If your vehicle has tandem drive axles and is equipped with an inter-axle differential, it is not recommended to engage it when? - the vehicle is stationary. - there is a disparity in wheel types. - a load is being carried. - one of the wheels is spinning.
one of the wheels is spinning.
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one of the wheels is spinning.
Question: 275. If your vehicle has tandem drive axles and is equipped with an inter-axle differential, it is not recommended to engage it when? - the vehicle is stationary. - there is a disparity in wheel types. - a load is being carried. - one of the wheels is spinning.
173
Question: 276. Do empty trucks have the shortest stopping distances? - No. - No, it is a common misconception. - No, empty trucks have less traction which leads to longer stopping distances. - No, empty trucks actually have longer stopping distances than loaded trucks.
No, empty trucks have less traction which leads to longer stopping distances.
174
Question: 277. When driving in favorable conditions at a speed of 55 mph, what will be the minimum distance required to bring your vehicle to a complete stop? - at least 419 feet. - at least 353 feet. - at least 216 feet.
at least 419 feet.
175
at least 419 feet.
Question: 277. When driving in favorable conditions at a speed of 55 mph, what will be the minimum distance required to bring your vehicle to a complete stop? - at least 419 feet. - at least 353 feet. - at least 216 feet.
176
Question: 278. What is the standard strength rating and working load limit (WLL) for 3/8-inch secured chains that lack a strength rating? - 3/8-G30; 2,650 pounds - 3/8-G30; 3,000 pounds - 3/8-G70; 6,600 pounds
3/8-G30; 2,650 pounds
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3/8-G30; 2,650 pounds
Question: 278. What is the standard strength rating and working load limit (WLL) for 3/8-inch secured chains that lack a strength rating? - 3/8-G30; 2,650 pounds - 3/8-G30; 3,000 pounds - 3/8-G70; 6,600 pounds
178
Question: 279. The most important hand signal that you and a helper should agree on is? - The hand signal for “Stop.” - The hand signal for “Turn left.” - The hand signal for “Sound the horn.” - The hand signal for “Go.”
The hand signal for “Stop.”
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The hand signal for “Stop.”
Question: 279. The most important hand signal that you and a helper should agree on is? - The hand signal for “Stop.” - The hand signal for “Turn left.” - The hand signal for “Sound the horn.” - The hand signal for “Go.”
180
Question: 280. When there are two left-turn lanes and you want to turn left, what should you avoid doing? - Commence the turn from the inner lane and swing towards the right while making the turn. - What should be refrained from is initiating the turn from the middle of the intersection. - Avoid using the left-turn lane.
Commence the turn from the inner lane and swing towards the right while making the turn.
181
Commence the turn from the inner lane and swing towards the right while making the turn.
Question: 280. When there are two left-turn lanes and you want to turn left, what should you avoid doing? - Commence the turn from the inner lane and swing towards the right while making the turn. - What should be refrained from is initiating the turn from the middle of the intersection. - Avoid using the left-turn lane.
182
Question: 281. While driving on a two-lane road, you encounter an oncoming vehicle that has veered into your lane and is approaching you directly. What is the recommended course of action in this situation? - Steer towards the right side. - Prepare for collision. - Apply hard braking.
Steer towards the right side.
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Steer towards the right side.
Question: 281. While driving on a two-lane road, you encounter an oncoming vehicle that has veered into your lane and is approaching you directly. What is the recommended course of action in this situation? - Steer towards the right side. - Prepare for collision. - Apply hard braking.
184
Question: 283. Which of the following statements is incorrect regarding engine belts in hot weather? - The tightness of belts can be assessed by applying pressure. - Loose belts do not effectively drive the water pump or fan. - Cracking may occur without posing a safety risk.
Cracking may occur without posing a safety risk
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Cracking may occur without posing a safety risk
Question: 283. Which of the following statements is incorrect regarding engine belts in hot weather? - The tightness of belts can be assessed by applying pressure. - Loose belts do not effectively drive the water pump or fan. - Cracking may occur without posing a safety risk.
186
Question: 284. Is it permissible to operate a vehicle it one-fourth of the leaves in a leaf spring are broken or missing? - No. - Yes. - It makes no difference as long as the speed limit is not exceeded.
No
187
No
Question: 284. Is it permissible to operate a vehicle it one-fourth of the leaves in a leaf spring are broken or missing? - No. - Yes. - It makes no difference as long as the speed limit is not exceeded.
188
Question: 285. Prior to embarking on a drive through mountainous regions, what precautions should one take? - Familiarize yourself with the locations of escape ramps along your chosen route. - Ensure that tire chains are readily available in your vehicle. - Disengage the braking mechanism in the steering axle.
Familiarize yourself with the locations of escape ramps along your chosen route.
189
Familiarize yourself with the locations of escape ramps along your chosen route.
Question: 285. Prior to embarking on a drive through mountainous regions, what precautions should one take? - Familiarize yourself with the locations of escape ramps along your chosen route. - Ensure that tire chains are readily available in your vehicle. - Disengage the braking mechanism in the steering axle.
190
Question: 286. What is the main component of a leaf spring? - Torque rod - Supplementary or helper spring - Primary or chief spring
Primary or chief spring
191
Primary or chief spring
Question: 286. What is the main component of a leaf spring? - Torque rod - Supplementary or helper spring - Primary or chief spring
192
Question: 287. Which of the ensuing infractions at railroad crossings can result in the suspension of your CDL for a minimum of 60 days? - Becoming stranded on the tracks due to inadequate clearance - Lacking adequate space to traverse the crossing without stopping - Both of the above
Both of the above
193
Both of the above
Question: 287. Which of the ensuing infractions at railroad crossings can result in the suspension of your CDL for a minimum of 60 days? - Becoming stranded on the tracks due to inadequate clearance - Lacking adequate space to traverse the crossing without stopping - Both of the above
194
Question: 288. When faced with a tailgating driver, which of the following actions should you NOT take? - Avoid resorting to tactics such as flashing your brake lights. - Steer clear of sudden, drastic changes. - ncrease the distance between your vehicle and the one in front of you. - Accelerate your speed.
Accelerate your speed.
195
Accelerate your speed.
Question: 288. When faced with a tailgating driver, which of the following actions should you NOT take? - Avoid resorting to tactics such as flashing your brake lights. - Steer clear of sudden, drastic changes. - ncrease the distance between your vehicle and the one in front of you. - Accelerate your speed.
196
Question: 289. Which of the following statements accurately describes the effects of alcohol consumption? - Alcohol initially impairs judgment and self-control. - Small amounts of alcohol enhance the driver’s reaction time. - The driver has control over the rate at which alcohol is eliminated from the body.
Alcohol initially impairs judgment and self-control.
197
Alcohol initially impairs judgment and self-control.
Question: 289. Which of the following statements accurately describes the effects of alcohol consumption? - Alcohol initially impairs judgment and self-control. - Small amounts of alcohol enhance the driver’s reaction time. - The driver has control over the rate at which alcohol is eliminated from the body.
198
Question: 290. If you must stop your vehicle beyond a curve that hides your vehicle from other drivers within 500 feet, place your warning devices? - 100 feet in front of, 10 feet behind, and 100 feet behind your vehicle. - 10 feet behind and up to 500 feet behind your vehicle. - 10 feet behind and up to 100 feet behind your vehicle.
10 feet behind and up to 500 feet behind your vehicle
199
10 feet behind and up to 500 feet behind your vehicle
Question: 290. If you must stop your vehicle beyond a curve that hides your vehicle from other drivers within 500 feet, place your warning devices? - 100 feet in front of, 10 feet behind, and 100 feet behind your vehicle. - 10 feet behind and up to 500 feet behind your vehicle. - 10 feet behind and up to 100 feet behind your vehicle.
200
Question: 291. When conducting a pre-trip inspection, which statement regarding wheels and rims is correct? - A vehicle can still be operated safely with a single missing lug nut on a wheel. - Cracked wheels or rims can be deemed safe after undergoing welding. - The presence of rust around lug nuts may indicate loose nuts.
The presence of rust around lug nuts may indicate loose nuts.
201
The presence of rust around lug nuts may indicate loose nuts.
Question: 291. When conducting a pre-trip inspection, which statement regarding wheels and rims is correct? - A vehicle can still be operated safely with a single missing lug nut on a wheel. - Cracked wheels or rims can be deemed safe after undergoing welding. - The presence of rust around lug nuts may indicate loose nuts.
202
Question: 292. If the vehicle in front of you is smaller than yours, it can probably? - Execute turns more rapidly than you - Come to a stop quicker than you. - Outpace you.
Come to a stop quicker than you.
203
Come to a stop quicker than you.
Question: 292. If the vehicle in front of you is smaller than yours, it can probably? - Execute turns more rapidly than you - Come to a stop quicker than you. - Outpace you.
204
Question: 293. What should you do if your brakes fail while descending a long, steep hill? - Downshift. - Perform both of the above actions. - Search for an escape ramp or alternate route.
Search for an escape ramp or alternate route.
205
Search for an escape ramp or alternate route.
Question: 293. What should you do if your brakes fail while descending a long, steep hill? - Downshift. - Perform both of the above actions. - Search for an escape ramp or alternate route.
206
Question: 294. Which of the following actions contribute to engine cooling during hot weather? - Ensuring the engine has the appropriate oil level - Both option 1 and option 2 - Ensuring the V-belts are properly adjusted
Both option 1 and option 2
207
Both option 1 and option 2
Question: 294. Which of the following actions contribute to engine cooling during hot weather? - Ensuring the engine has the appropriate oil level - Both option 1 and option 2 - Ensuring the V-belts are properly adjusted
208
Question: 295. Which of the following statements is correct? - Numerous accidents involving heavy vehicles transpire from midnight to 6 a.m. - Most hazards are easier to perceive at night compared to daytime. - Most individuals are more vigilant during the night than in the day.
Numerous accidents involving heavy vehicles transpire from midnight to 6 a.m.
209
Numerous accidents involving heavy vehicles transpire from midnight to 6 a.m.
Question: 295. Which of the following statements is correct? - Numerous accidents involving heavy vehicles transpire from midnight to 6 a.m. - Most hazards are easier to perceive at night compared to daytime. - Most individuals are more vigilant during the night than in the day.
210
Question: 296. What can aid in the process of sobriety for someone who is intoxicated? - Time - Fresh air - Hydration - Coffee
Time
211
Time
Question: 296. What can aid in the process of sobriety for someone who is intoxicated? - Time - Fresh air - Hydration - Coffee
212
Question: 297. Which of the following statements about driving in adverse weather conditions is incorrect? - Driving conditions become more dangerous as the temperature rises to the point that ice begins to melt. - When the temperature drops, bridges will freeze before roadways. - As rain continues, the road becomes more slippery than it was when the rain began.
As rain continues, the road becomes more slippery than it was when the rain began.
213
As rain continues, the road becomes more slippery than it was when the rain began.
Question: 297. Which of the following statements about driving in adverse weather conditions is incorrect? - Driving conditions become more dangerous as the temperature rises to the point that ice begins to melt. - When the temperature drops, bridges will freeze before roadways. - As rain continues, the road becomes more slippery than it was when the rain began.
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Question: 1. Which of these statements is true of spring brakes? - Spring brakes have the same level of strength as service brakes. - Spring brakes cannot be used as a substitute for service brakes. - Spring brakes possess greater strength than service brakes. - Spring brakes are not as powerful as service brakes.
Spring brakes are not as powerful as service brakes.
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Question: 2. Which of the following are true about a dual air brake system? - One system is referred to as the “primary” system and the other as the “secondary” system. - Typically, one system operates the front axle while the other operates the rear axle. - All of the above statements are accurate. - It utilizes a singular set of brake controls
All of the above statements are accurate
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Question: 3. To inspect the slack adjusters on S-cam drum brakes, the initial step includes? - Coming to a stop on level ground and engaging the parking brakes. - Parking on level ground and draining the air pressure. - Parking on level ground, wheel chocking, and releasing the parking brakes.
Parking on level ground, wheel chocking, and releasing the parking brakes.
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Question: 4. When should the parking brake be utilized? - The parking brake can also be utilized to help slow the vehicle on downgrades. - The parking brake should only be engaged when parking on a hill. - It is important to use the parking brake whenever the vehicle is parked.
It is important to use the parking brake whenever the vehicle is parked.
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Question: 5. If the low air pressure warning signal is not working? - it may result in an abrupt application of emergency brakes in a single-circuit air system. - neither of the aforementioned consequences will occur. - you will be alerted about the loss of air pressure despite not having a warning signal.
it may result in an abrupt application of emergency brakes in a single-circuit air system.
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Question: 6. When draining the air tanks, it is necessary to first drain the supply tank. How can you identify the supply tank? - The dashboard air pressure gauges will drop when it’s drained. - It’s color coded. - The dashboard air pressure gauges won’t drop when it’s drained. - It’s labeled “SUPPLY.”
The dashboard air pressure gauges won’t drop when it’s drained.
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Question: 7. In which of the following situations should you refrain from applying the parking brakes? - When testing their effectiveness in holding the vehicle - If the brakes are excessively hot - When parking for a duration of less than one hour
If the brakes are excessively hot
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Question: 8. It is important to ensure that the air loss rate for a straight truck or bus with the engine off and the brakes applied is within acceptable limits. What is the maximum allowable air loss rate? - 3 psi in one minute. - 1 psi in one minute. - 2 psi in 45 seconds
3 psi in one minute.
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Question: 9. A dual air brake system consists of two distinct brake systems. Which of the following statements is accurate? - Generally, one brake system is utilized for daytime driving while the other is employed for nighttime driving. - Generally, one brake system controls the front axle brakes, while the other system manages the rear axle brakes. - Generally, there is a separate brake system for each side of the vehicle
Generally, one brake system controls the front axle brakes, while the other system manages the rear axle brakes.
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Question: 10. Most air brake systems in large commercial vehicles employ automatic valves to? - enhance air pressure at the drive wheels. - boost air pressure at the front wheels. - decrease air pressure at the front wheels. - decrease air pressure at the drive wheels
decrease air pressure at the front wheels
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Question: 11. Where can the air tanks of a CMV be found? - Positioned beneath or around the vehicle frame - Placed inside the engine compartment - Located above or around the vehicle frame - Housed within the cab
Positioned beneath or around the vehicle frame
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Question: 12. What is the significance of passing a knowledge test on air brakes? - Failure to do so will render you ineligible for acquiring a CDL at all. - Every truck is equipped with air brakes. - Failure to do so will result in obtaining a CDL with limitations. - Failure to do so will restrict you to only obtaining a commercial learner’s permit.
Failure to do so will result in obtaining a CDL with limitations.
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Question: 13. How can you determine the extent of applied pushrod stroke? - Observe how the reading of the application pressure gauge modifies. - Evaluate the amount by which the visible pushrod length extends when the brakes are applied. - Measure the distance a mark on the pushrod travels when the brakes are applied. - (b) or (c)
(b) or (c)
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Question: 14. What is the purpose of caging a brake chamber? - It disables the service brake. - It enhances the effectiveness of braking power. - It deactivates the spring brake. - It aids in brake adjustment.
It deactivates the spring brake.
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Question: 15. On which types of vehicles is a low pressure warning signal mandatory? - Only tractors and straight trucks. - Buses exclusively. - Vehicles equipped with air brakes.
Vehicles equipped with air brakes.
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Question: 16. When traveling at a speed of 55 mph on dry pavement, the distance it takes for the air brakes to engage is approximately? - 32 feet. - 65 feet. - 45 feet.
32 feet.
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Question: 17. What is the function of an alcohol evaporator? - To reduce the frequency of draining the air tanks. - To offer an additional supply of windshield washer fluid. - The purpose of an alcohol evaporator is to prevent the accumulation of ice in the air brake system
The purpose of an alcohol evaporator is to prevent the accumulation of ice in the air brake system
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Question: 18. Why is it not advisable to repeatedly pump the brakes when descending a long slope? - Pumping the brakes does not cause the brake linings to heat up. - Using air is less efficient when pumping the brakes. - None of the given reasons are valid. - It inhibits the cooling process of the brakes.
It inhibits the cooling process of the brakes.
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Question: 19. What function does the stop light switch serve? - The stop light switch informs the need for emergency brake usage. - The stop light switch illuminates the brake lights upon brake application. - The stop light switch indicates low air pressure in the air brake system.
The stop light switch illuminates the brake lights upon brake application.
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Question: 20. During normal driving conditions, what keeps the spring brakes engaged? - Springs. - Air pressure. - Bolts and braces
Air pressure.
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Question: 21. What procedure should be followed to test the service brakes? - Brake firmly while moving forward at a slow pace. - Brake firmly while in reverse gear. - Bring the vehicle to a stop, shift to a low gear, depress the brake pedal, and gently pull against the brakes.
Brake firmly while moving forward at a slow pace.
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Question: 22. If a slack adjuster moves beyond a certain threshold when pulled, it may require adjustment? - 1 inch - ½ inch - ¼ inch
1 inch
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Question: 23. What should you do if your vehicle is equipped with a front brake limiting valve? - Set it to “slippery” mode when driving on icy roads. - Always ensure it is set to the “slippery” position. - Keep it in the “normal” setting at all times.
Keep it in the “normal” setting at all times.
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Question: 24. What type of CDL is required to operate a tractor-trailer with air brakes? - Any CDL without an air brakes restriction. - A Class A CDL. - A Class A CDL without an air brakes restriction.
A Class A CDL without an air brakes restriction.
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Questio: 25. Which component is NOT included in the drum brake mechanism? - Return spring - Slack adjuster - Safety valve - Brake drum
Safety valve
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Question: 26. The air compressor will cease its function of delivering air into the air tanks once the pressure reaches ____ psi? - 100 - 150 - 125
125
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Question: 27. What is the purpose of caging a brake chamber? - It aids in brake adjustment. - It deactivates the spring brake. - It enhances the effectiveness of braking power. - It disables the service brake.
It deactivates the spring brake.
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Question I: 28. With air brake-equipped vehicles, the parking brakes should be used? - minimally. - every time the vehicle is left unattended. - solely during pre-trip and post-trip inspections.
every time the vehicle is left unattended.
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Question: 29. The release of compressed air from a vehicle can be dangerous due to its high velocity and the presence of moisture, oil, dirt, and dust. To ensure safety, it is essential to familiarize yourself with the areas where the compressed air might be exhausted, such as brake valve exhaust ports? - Monitoring air pressure is not the main concern here. - Unsafe situations may arise when coming into direct contact with compressed air exhaust. - Irrelevant - Direct exposure to compressed air exhaust can pose hazards.
Direct exposure to compressed air exhaust can pose hazards.
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Question: 30. When should the parking brakes and air brakes be engaged simultaneously? - Never - When preparing to park the vehicle - When preparing to move the vehicle out of a parking space
Never
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Question: 31. If a truck’s air compressor possesses its own oil supply, at what point should one initially inspect the oil level? - Before commencing a drive - During the initial en-route inspection - Right after coming to a stop
Before commencing a drive
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Question: 32. Repeatedly applying and releasing pressure to the brake pedal may lead to? - no alteration in brake air pressure. - a depletion of brake air pressure. - an accumulation of brake air pressure.
a depletion of brake air pressure.
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Question: 33. When draining the air tanks, it is necessary to first drain the supply tank. How can you identify the supply tank? - It’s color coded. - It’s labeled “SUPPLY.” - The dashboard air pressure gauges will drop when it’s drained. - The dashboard air pressure gauges won’t drop when it’s drained.
The dashboard air pressure gauges won’t drop when it’s drained.
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Question: 34. The application pressure gauge displays the? - pressure in the tanks. - pressure in the modulating control valve. - amount of force you are exerting on the brakes.
amount of force you are exerting on the brakes.
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Question: 35. What is the role of the S-cam mechanism? - It retracts the brake shoes from the drum, allowing the wheel to rotate freely. - It pushes the brake shoes against the inner side of the brake drum. - It regulates the airflow to each brake chamber.
It pushes the brake shoes against the inner side of the brake drum.
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Question: 36. In the event of a brake system failure, the emergency brake system employs __________ to bring the vehicle to a halt? - parts of the service brakes and parking brakes - only the service brakes - only the parking brakes
parts of the service brakes and parking brakes
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Question: 37. How should you inspect the slack adjusters of your truck? - All of the aforementioned techniques are effective. - Utilize gloves and exert force on each accessible slack adjuster. - While pressing the brake pedal, listen for any unusual sounds. - Perform acceleration followed by a hard brake.
Utilize gloves and exert force on each accessible slack adjuster.
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Question: 38. During the vehicle inspection test, specifically for vehicles equipped with air brakes and a trailer, the air connections between the truck/tractor and the trailer need to be inspected. It is important to ensure that the ________ are securely in place without any damage or air leakage? - lug nuts - pins - glad hands
glad hands
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Question: 39. What is an essential feature found in all vehicles equipped with air brakes? - a backup hydraulic system. - a supply pressure gauge. - an air use gauge.
a supply pressure gauge.
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Question: 40. Spring brakes consist of strong springs that are restrained by air pressure while operating the vehicle? - The full functioning of spring brakes is contingent upon air pressure dropping to a specific range, typically between 20 and 30 psi. - All of the above options are correct. - Spring brakes are automatic brakes that engage on a truck or tractor when the psi falls too low. - Composed of robust springs held in check by air pressure during driving.
All of the above options are correct.
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Question: 41. The air compressor governor is responsible for regulating? - the injection of air into the air storage tanks. - the speed at which the air compressor operates. - the air pressure exerted on the brakes
the injection of air into the air storage tanks.
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Question: 42. In a tractor-trailer, an anti-compounding valve is connected to? - The service brake valve and the safety valve. - The service brake valve and the parking brake valve. - The parking brake valve and the trailer air supply valve. - The parking brake valve and the safety valve.
The service brake valve and the parking brake valve.
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Question: 43. It is important to ensure that the air loss rate for a straight truck or bus with the engine off and the brakes applied is within acceptable limits. What is the maximum allowable air loss rate? - 1 psi in one minute. - 2 psi in 45 seconds. - 3 psi in one minute.
3 psi in one minute.
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Question: 44. If your truck or bus has dual parking control valves, you can use air pressure from a separate tank to - disengage the spring brakes. - extend the duration of the parked state without depleting the supply of service air pressure. - equilibrate the service brake system during parking.
disengage the spring brakes.
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Question: 45. The parking brake control mechanism? - depletes the air within the brake chambers. - applies the brakes while driving under normal circumstances. - activates the brakes in the event of an emergency.
depletes the air within the brake chambers.
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Question: 46. In vehicles equipped with air brakes, where is the safety valve located? - The safety valve is situated beneath the brake pedal. - The safety valve is mounted on the dashboard. - The safety valve is positioned in the second tank that the air compressor pumps air to. - The safety valve is installed in the first tank that the air compressor pumps air to.
The safety valve is installed in the first tank that the air compressor pumps air to.
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Question: 47. If oil and water accumulate in the air tanks, what may occur with the brakes? - The brakes might malfunction. - The brakes might overheat. - The brakes might become locked.
The brakes might malfunction.
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Question: 48. When using air brakes on a downhill slope, what role do they play in braking? - They rely on the use of the front brake limiting valve. - They depend on the use of the spring brakes. - They supplement the braking effect of the engine.
They supplement the braking effect of the engine.
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Question: 49. If the air pressure does not build up fast enough during the final air brake check, what could happen when driving? - The alcohol evaporator could be low. - The air pressure may drop to an insufficient level while driving. - The problem should be addressed after completing the trip.
The air pressure may drop to an insufficient level while driving.
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Question: 50. What is the significance of passing a knowledge test on air brakes? - Failure to do so will render you ineligible for acquiring a CDL at all. - Failure to do so will result in obtaining a CDL with limitations. - Every truck is equipped with air brakes. - Failure to do so will restrict you to only obtaining a commercial learner’s permit.
Failure to do so will result in obtaining a CDL with limitations.
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Question: 51. Before starting down a hill, you should be in the proper gear? - so you can coast downhill. - so you can go through the gears on the way down. - so you only have to apply the brakes just hard enough to feel a definite slowdown.
so you only have to apply the brakes just hard enough to feel a definite slowdown.
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Question: 52. How can the automation of the spring brakes be verified? - All of the aforementioned approaches are correct. - In the case of tractor-trailer vehicles, repeatedly press and release the brake pedal until the parking brake valve noticeably pops out. - Repetitively apply pressure to and release pressure from the brake pedal until the manufacturer’s specified lower psi limit is reached, causing the engagement of spring brakes. - In the case of individual vehicles, keep intermittently applying and releasing pressure on the brake pedal until the parking brake valve visibly pops out.
All of the aforementioned approaches are correct.
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Question: 53. It is necessary to drain air tanks in order to prevent brake failure due to moisture and oil accumulation? - To eliminate moisture and oil build-up within the tanks. - To monitor the air quantity residing in the tanks. - To completely expel all the air from the tanks.
To eliminate moisture and oil build-up within the tanks.
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Question: 54. Which of the following will be true about your brake function if your antilock braking system (ABS) fails? - You will lose all brake function and the truck will become uncontrollable. - It could result in issues with other mechanical systems and potentially create a considerable fire hazard. - You will still possess normal brake function and will merely require prompt ABS repair. - It will bring your truck to a gradual stop and necessitate pulling over.
You will still possess normal brake function and will merely require prompt ABS repair.
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Question: 55. Which statement accurately describes antilock brakes (ABS)? - ABS is ineffective in preventing brake-induced skids. - ABS significantly reduces the distance required for braking. - ABS alters the procedure for emergency braking compared to vehicles without ABS.
ABS alters the procedure for emergency braking compared to vehicles without ABS.
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Question: 56. An alcohol evaporator is present in certain air brake systems. What could potentially occur if the alcohol unit is not properly filled? - The release of the brake pedal could impair the rotation of the S-cam. - The brake drums may develop ice formation and become distorted. - The air storage tanks may accumulate ice, leading to brake malfunction.
The air storage tanks may accumulate ice, leading to brake malfunction.
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Question: 57. What should you do if a low air pressure warning appears for just one of the dual air brake systems? - Park safely and continue only after fixing the system. - Reduce speed and drive to the nearest garage for repairs. - While driving, reduce speed and test the remaining system.
Park safely and continue only after fixing the system.
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Question: 58. The operation of the service brake system involves the application of brakes? - When using the parking brake control, the system engages the parking brake. - In instances of emergencies, the system initiates the brake system. - During typical driving situations, the brakes are engaged when pressure is applied to the brake pedal.
During typical driving situations, the brakes are engaged when pressure is applied to the brake pedal.
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Question: 59. The effectiveness of the spring brakes? - remains constant regardless of the condition of the service brakes. - depends on the proper adjustment of the service brakes. - increases when the service brakes are heated.
depends on the proper adjustment of the service brakes.
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Question: 60. When you release the service brakes after applying them, what happens to that compressed air? - It returns to the tanks. - It is redirected to the air compressor. - It remains stored in the brake chambers. - It is expelled from the system.
It is expelled from the system.
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Question: 61. What is the recommended technique for making an emergency stop using the “stab braking” method? - To press the brake pedal as hard as possible, release when the wheels lock, and reapply when they start rolling again. - To rapidly and lightly pump the brake pedal. - To brake forcefully until the wheels lock, then release the brakes for the same duration as they were locked.
To press the brake pedal as hard as possible, release when the wheels lock, and reapply when they start rolling again.
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Question: 62. Commercial motor vehicle (CMV) brakes are designed to endure high temperatures. What is the maximum temperature that CMV brakes can withstand? - about 150 °C. - about 250 °C. - about 450 °C. - about 350 °C.
about 250 °C.
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Question: 63. Low air pressure warning signals are a crucial safety feature. Which vehicles are required to have these signals? - Vehicles built after 2005 must have low air pressure warning signals. - None; low air pressure warning signals are optional. - Vehicles built after 2010 must have low air pressure warning signals. - All vehicles with air brakes currently in operation must have low air pressure warning signals.
All vehicles with air brakes currently in operation must have low air pressure warning signals.
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Question: 64. If the ABS malfunction light on the dashboard illuminates, indicating an issue with the vehicle’s ABS, it is advisable to drive cautiously at reduced speeds until the ABS is repaired? - Operate the vehicle with extreme care at a slow pace until the ABS system is rectified. - Do not operate the vehicle until the ABS system is repaired. - Continue to drive the vehicle under normal conditions until the ABS is fixed.
Continue to drive the vehicle under normal conditions until the ABS is fixed.
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Question: 65. The modulating control valve empowers the driver to regulate the? - force applied to the spring brakes. - braking pressure in the front brakes. - amount of pressure exerted in the brake system.
force applied to the spring brakes.
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Question 66. What is the most crucial aspect of hard braking? - Avoid locking the wheels for an extended period of time. - Always downshift before engaging in hard braking. - Disabling the steering axle brakes aids in maintaining a straight trajectory during emergency braking.
Avoid locking the wheels for an extended period of time.
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Question 67. What is the recommended method to examine the service brakes? - Park the vehicle on even ground, secure the wheels, and turn off the engine. - Engage the brakes firmly while gradually moving forward on level ground. - Apply the service brakes on a slight incline and gauge if the vehicle moves.
Engage the brakes firmly while gradually moving forward on level ground.
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Question: 68. When should the brake pedal be depressed if the spring brakes are engaged? - The brake pedal should never be depressed in such circumstances. - Only on slippery road conditions. - Exclusively when driving downhill.
The brake pedal should never be depressed in such circumstances.
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Question: 69. A modern air brake system encompasses three integrated systems: service brakes, parking brakes, and _______ brakes? - emergency - foot - S-cam
emergency
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Question: 70. Where is the air dryer located? - Between the the supply (“wet”) tank and the service (“dry”) tanks In any of the above locations - Between the air compressor and the supply (“wet”) tank - Between the service (“dry”) tanks and the brake chambers
Between the air compressor and the supply (“wet”) tank
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Question: 71. In the event of an emergency stop, how should you apply the brakes to ensure vehicle stability? - By locking the brakes to ensure a sudden stop. - By keeping the vehicle in a straight line during braking. - By utilizing the parking brake prior to engaging the brake pedal
By keeping the vehicle in a straight line during braking.
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Question: 72. When a tractor is bobtailed, bobtail proportioning valves _________? - diminish the steering-axle braking force - decrease the braking force on the drive axles - augment the braking force on the drive axles - repress the action of retarders
decrease the braking force on the drive axles
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Question: 73. While descending a steep incline and having reached a safe speed of 40 mph, you would apply the service brakes until your speed reduces to? - 35 mph. - 30 mph. - 25 mph.
35 mph.
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Question: 74. How do brakes work on a long, steep downgrade? - Brakes on a long, steep downgrade function as the primary braking system, with the engine’s braking effect serving as an emergency backup. - No braking effect is applicable on a downgrade, thus rendering this question irrelevant. - Brakes on a long, steep downgrade function as a supplementary mechanism to the engine’s braking effect. - Brakes on a long, steep downgrade primarily operate as the primary braking system.
Brakes on a long, steep downgrade function as a supplementary mechanism to the engine’s braking effect.
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Question: 75. Which of the following can cause brakes to fade or fail? - Insufficient reliance on engine braking can lead to brake fade or failure. - Brakes that are not properly adjusted can result in brake fade or failure. - Excessive use of the service brakes can contribute to brake fade or failure. - All of the aforementioned options can cause brake fade or failure.
All of the aforementioned options can cause brake fade or failure.
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Question: 76. Under what circumstances should the steering axle brakes be disconnected? - When towing a trailer that has brakes. - When driving in mountainous regions. - On slippery road conditions. - Never.
Never.
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Question: 77. Are front wheel brakes suitable for all conditions? - No, therefore, it is recommended to always keep them on the “slippery” setting. - Yes, so it is advisable to keep them on the “normal” setting. - No, as the front wheels tend to skid on ice during braking.
Yes, so it is advisable to keep them on the “normal” setting.
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Question: 78. For a bus or straight truck equipped with air brakes, the maximum permissible rate of air leakage without the use of the foot brake is? - 2 psi per minute. - 4 psi per minute. - 1 psi per minute. - 3 psi per minute.
2 psi per minute.
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Question: 79. What is the recommended procedure to examine the low air pressure warning signal in your vehicle? - Turn off the engine and depress the brake pedal to reduce air pressure below 55 psi. - Apply the brakes while your vehicle is fully engaged. - Manually release the air from your brakes and observe if the signal activates. - Repeatedly apply the brakes until the air pressure drops below 30 psi.
Turn off the engine and depress the brake pedal to reduce air pressure below 55 psi.
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Question: 80. In the absence of an automatic tank drain, when should one drain the air tanks? - At the end of each workday - After every four hours of operation - Once per week
At the end of each workday
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Question: 81. What is the function of spring brakes? - They are the CamLaster brakes. - They are responsible for the springs on the brake pedal. - They are springs that activate the brakes when air pressure diminishes below the acceptable level
They are springs that activate the brakes when air pressure diminishes below the acceptable level
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Question: 82. Every vehicle equipped with air brakes must have? - all of the above. - a manual front brake limiting valve. - a supply pressure gauge. - an application pressure gauge
a supply pressure gauge.
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Question: 83. When the brake pedal is activated, what is pressed against the brake drum? - The brake shoes and linings. - The slack adjuster. - The S-cam.
The brake shoes and linings.
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Question: 84. Certain types of trailers may be towed even if their service tanks are not fully filled. Which type of trailer is this? - Both (a) and (b) - (a) Service brake priority - Neither (a) nor (b) - (b) Spring brake priority
(b) Spring brake priority
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Question: 85. In which of the following situations should you refrain from applying the parking brakes? - If the brakes are excessively hot - When testing their effectiveness in holding the vehicle - When parking for a duration of less than one hour
If the brakes are excessively hot
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Question: 86. If there is a leak or malfunction in the air suspension system of your tractor-trailer, what will prevent the air pressures in the service tank from decreasing excessively? - Tractor protection valve - Two-way check valve - Safety valve - Pressure-protection valve
Pressure-protection valve
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Question: 87. If your vehicle contains an alcohol evaporator, what should you do during cold weather? - Inspect the alcohol level. - Replace the alcohol entirely. - Check the oil to determine the alcohol content.
Inspect the alcohol level.
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Question: 88. Which of the following statements about brakes are true? - The brakes must absorb greater heat to stop the vehicle when it is heavier or traveling at higher speeds. - Brakes function more effectively at higher temperatures. - Brake drums dissipate heat swiftly. - All of the above statements are correct.
The brakes must absorb greater heat to stop the vehicle when it is heavier or traveling at higher speeds.
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Question: 89. When descending on an extended or steep decline, it is advised to continuously apply the brake until the speed of the vehicle is? - 5 mph slower. - 10 mph slower. - 15 mph slower.
5 mph slower.
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Question: 90. When idle and with the service brakes engaged, what is the acceptable rate of air leakage for a straight truck or bus? - The leakage rate should not exceed 4 psi per minute. - The leakage rate should not surpass 2 psi per minute. - The leakage rate should not surpass 3 psi per minute.
The leakage rate should not surpass 3 psi per minute.
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Question: 91. In the case of a combination vehicle equipped with air brakes, the allowable rate of air leakage without the use of the foot brake is? - 1 psi per minute. - 2 psi per minute. - 4 psi per minute. - 3 psi per minute
3 psi per minute
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Question: 92. Neglecting to drain the air tanks may lead to? - the failure of the left-side brake. - brake failure due to frozen water. - the depletion of transmission fluid.
brake failure due to frozen water.
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Question: 93. Which of the following is NOT part of the braking process when you’re driving a tractor-trailer combination vehicle with an antilock braking system (ABS)? - Braking techniques remain consistent regardless of the vehicle type, whether it is equipped with ABS, a trailer, or any other configuration. - To ensure stability, driving at higher speeds is advised to keep the trailer and tractor aligned. - While decelerating, it is important to diligently monitor the trailer and tractor and gradually release the brakes, maintaining control. - Only apply the necessary amount of braking force required for optimum control.
To ensure stability, driving at higher speeds is advised to keep the trailer and tractor aligned.
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Question: 94. Is it possible for an air brake system to incorporate both an air dryer and an alcohol evaporator (injector)? - Yes. - No. - Yes, but only if the alcohol evaporator is positioned downstream from the air dryer. - Yes, but only if the air dryer is positioned downstream from the alcohol evaporator.
Yes, but only if the alcohol evaporator is positioned downstream from the air dryer.
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Question: 95. If the low air pressure warning signal is not working? - you will be alerted about the loss of air pressure despite not having a warning signal. - it may result in an abrupt application of emergency brakes in a single-circuit air system. - neither of the aforementioned consequences will occur.
it may result in an abrupt application of emergency brakes in a single-circuit air system.
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Question: 96. When conducting the first air leakage test for a bus or straight truck, it is essential that the air-loss rate with the engine turned off and the brakes released is below a certain threshold? - 2 psi per minute. - 1 psi per minute. - 3 psi per minute.
2 psi per minute.
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Question: 97. Suppose the secondary system of your dual air brake system triggers a low air pressure warning. What actions should you take? - Bring the vehicle to a safe stop and proceed only after repairing the system. - Decrease your speed and proceed to the nearest repair facility. - Reduce your speed and monitor the primary system while driving.
Bring the vehicle to a safe stop and proceed only after repairing the system.
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Question: 98. In the context of S-cam drum brakes, the brake spider is responsible for the connection with? - the brake shoes. - The brake spider is connected to the brake pedal. - the accelerator pedal. - the clearance adjuster.
the brake shoes.
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Question: 99. What is the resulting pushrod force when 100 psi of air pressure is applied to a Type 30 brake chamber? - It cannot be determined from the information provided. - 2,900 pounds. - 130 pounds. - 3,000 pounds.
3,000 pounds.
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Question: 100. How can you properly adjust a manual slack adjuster? - Turn the adjusting nut in either direction until there is less than one inch of play in the slack adjuster. - Turn the adjusting nut to move the end of the slack adjuster until the brake shoes make contact with the inside of the brake drum. Then, turn the nut in the opposite direction to move the brake shoes away from the brake drum. - Turn the adjusting nut to move the end of the slack adjuster so that the brake shoes move away from the brake drum. Then, turn the nut in the opposite direction to move the brake shoes inward.
Turn the adjusting nut to move the end of the slack adjuster until the brake shoes make contact with the inside of the brake drum. Then, turn the nut in the opposite direction to move the brake shoes away from the brake drum.
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Question: 101. When adjusting an automatic slack adjuster with a hexagonal adjusting bolt, what is the initial turning direction? - Turn the bolt clockwise for half a turn. - Turn the bolt counterclockwise for half a turn. - Turn the bolt counterclockwise until it stops turning. - Turn the bolt clockwise until it stops turning.
Turn the bolt clockwise until it stops turning.
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Question: 102. All vehicles equipped with air brakes have? - an air use gauge. - a supply pressure gauge. - a backup hydraulic system
a supply pressure gauge.
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Question: 103. At what pressure is a typical air brake system fully charged? - 75 psi. - 125 psi. - 150 psi.
125 psi.
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Question: 104. Stab braking refers to the technique of? - applying maximum brake force until the wheels lock, then releasing the brakes for the same duration that the wheels were locked. - applying as much force as possible on the brake pedal until the wheels lock, then releasing the brakes once the wheels begin rolling again. - rapidly and lightly pumping the brake pedal.
applying as much force as possible on the brake pedal until the wheels lock, then releasing the brakes once the wheels begin rolling again.
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Question: 105. When can you leave your truck unattended without first applying the parking brakes or chocking the wheels? - In case you are only briefly stepping away from the truck - If you will be conducting your pre-trip inspection - Never
Never
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Question: 106. How can you determine the extent of applied pushrod stroke? - ( a) Observe how the reading of the application pressure gauge modifies. - (c) Measure the distance a mark on the pushrod travels when the brakes are applied. - (b) or (c) - (b) Evaluate the amount by which the visible pushrod length extends when the brakes are applied.
(b) or (c)
320
Question: 107. What is the most crucial measure you should undertake in case the low air pressure warning signal illuminates? - Bring your vehicle to a complete stop and park it securely. - Significantly reduce your speed and proceed with utmost caution. - Deactivate the low air pressure warning signal.
Bring your vehicle to a complete stop and park it securely.
321
Question: 108. When employing the “controlled braking” technique, you? - apply the brakes with maximum force, ensuring the wheels do not lock up. - fully apply the brakes, release them when the wheels lock, and reapply them once the wheels begin rolling again. - apply pressure to the hand valve for one second, then firmly depress the brake pedal
apply the brakes with maximum force, ensuring the wheels do not lock up.
322
Question: 109. If the air pressure drops within a specified range, the spring brakes of a tractor or straight truck will engage? - 60 to 80 psi. - 10 to 15 psi. - 20 to 45 psi.
20 to 45 psi.
323
QUESTION: 110. Where are the foundation brakes located? - Only at the front wheels. - At all wheels. - Only at the rear wheels.
At all wheels.
324
Question: 111. If you need to stop quickly and your vehicle lacks antilock brakes, you can use? - either (a) or (b). - (b) the technique referred to as “stab braking”. - (a) the technique known as “controlled braking”.
either (a) or (b).
325
Question: 112. When considering front wheel brakes, they exhibit favorable performance under which conditions? - None - All types of weather conditions - Only in wet or icy conditions - Only in good weather conditions
All types of weather conditions
326
Question: 113. Which of the following can cause brakes to fade or fail? - Failure to remove your foot from the accelerator can result in brake fade or failure. - Not applying sufficient pressure to the brake pedal can contribute to brake fade or failure. - Overheating, low air pressure, and insufficient reliance on the engine braking effect can lead to brake fade or failure.
Overheating, low air pressure, and insufficient reliance on the engine braking effect can lead to brake fade or failure.
327
Question: 114. What actions should be taken to correct a drive-wheel braking skid? - Increase the brake pressure, execute a rapid turn, and countersteer. - Cease braking, execute a rapid turn, and countersteer. - Increase the brake pressure.
Cease braking, execute a rapid turn, and countersteer.
328
Question: 115. When driving at a speed of 55 mph on dry pavement, the inclusion of air brake lag will extend your stopping distance by approximately _______ feet. - 12 feet - 52 feet - 32 feet
32 feet
329
Question. 116. The total stopping distance for air brakes is lengthier compared to hydraulic brakes due to? - reaction distance. - brake fade. - brake lag.
brake lag.
330
Question: 117. If your vehicle has a properly functioning dual air brake system and minimum-sized air tanks, the air pressure should build from 85 to 100 psi within ____ seconds? - 20 - 45 - 60
45
331
Question: 118. Your vehicle is equipped with a dual air brake system. If one of the systems loses air pressure, what will happen? - Either the front or rear brakes will not operate fully. - The emergency brakes will engage immediately. - The manual slack adjusters will become improperly adjusted.
Either the front or rear brakes will not operate fully.
332
Question: 119. Failure to drain the air tanks may lead to brake failure due to water freezing? - If water freezes in the air tanks, it can result in brake failure. - The freezing of water in the air tanks can cause the brakes to fail. - Driving too quickly can occur when the air tanks are not drained. - Not draining the air tanks can cause the transmission fluid to drain out.
The freezing of water in the air tanks can cause the brakes to fail.
333
Question: 120. A commercial vehicle equipped with antilock brakes (ABS) will have a _______ ABS malfunction lamp on the instrument panel? - yellow - green - red
yellow
334
Question: 121. During your complete inspection, what is the maximum allowable length for any cracks in the brake drums in relation to the width of the friction area? - One-half. - One-third. - One-quarter.
One-half.
335
Question: 122. What is an advantage of automatic slack adjusters? - They don’t need to be checked by a qualified mechanic. - They require manual adjustment less often. - They never need lubrication. - They help maintain correct pushrod stroke.
They help maintain correct pushrod stroke.
336
Question: 123. When should you manually adjust an automatic slack adjuster? - Manual adjustment of an automatic slack adjuster should only be conducted if it is not functioning correctly. - Manual adjustment of an automatic slack adjuster should be performed during every inspection. - Manual adjustment of an automatic slack adjuster should not exceed once a month.
Manual adjustment of an automatic slack adjuster should only be conducted if it is not functioning correctly.
337
Question: 124. Among semi-trucks, which is the most common factor contributing to air loss in semi-trailers? - Leaky tractor protection valve - Faulty glad hand seals - Defective governor - Leaky supply tank
Faulty glad hand seals
338
Question: 125. What should be your initial course of action if the low air pressure warning signal activates? - Downshift to a lower gear. - Bring the vehicle to a complete stop. - Upshift to a higher gear.
Bring the vehicle to a complete stop.
339
Question: 126. How should the parking brakes be applied under normal conditions? - Release the air from the brake chambers. - Ensure the air brake system is fully pressurized. - Turn off the engine.
Release the air from the brake chambers.
340
Question: 127. Which of these statements is true of spring brakes? - Spring brakes cannot be used as a substitute for service brakes. - Spring brakes are not as powerful as service brakes. - Spring brakes have the same level of strength as service brakes. - Spring brakes possess greater strength than service brakes.
Spring brakes are not as powerful as service brakes.
341
Question: 128. Air brakes utilize what substance to activate the brakes? - natural gas - hydraulic fluid - compressed air
compressed air
342
Question: 129. Before you drive a vehicle with a dual air brake system, the air pressure in each brake system should be at least? - Before commencing your journey with a vehicle featuring a dual air brake system, the air pressure in each brake system should be a minimum of 120 psi. - Maintain an air pressure of at least 100 psi in each brake system of a vehicle with a dual air brake system prior to driving. - The air pressure in each of the brake systems of a vehicle equipped with a dual air brake system should be at least 80 psi.
Maintain an air pressure of at least 100 psi in each brake system of a vehicle with a dual air brake system prior to driving.
343
Question: 130. A dual air brake system consists of two distinct brake systems. Which of the following statements is accurate? - Generally, one brake system controls the front axle brakes, while the other system manages the rear axle brakes. - Generally, one brake system is utilized for daytime driving while the other is employed for nighttime driving. - Generally, there is a separate brake system for each side of the vehicle.
Generally, one brake system controls the front axle brakes, while the other system manages the rear axle brakes.
344
Question: 131. How would you check your truck’s slack adjusters? - Park on an incline and observe any movement of the vehicle. - Park on level ground, deactivate the parking brakes, and exert force on each slack adjuster. - Park on level ground, deactivate the parking brakes, and apply pressure to the brake pedal.
Park on level ground, deactivate the parking brakes, and exert force on each slack adjuster.
345
Question: 132. The low air pressure warning signal should activate before the air pressure in the tanks drops below a specific psi value? - 55 psi. - 65 psi. - 75 psi.
55 psi.
346
Question: 133. Repetitive usage of the service brakes can lead to excessive heat, ultimately resulting in which outcome? - Enhanced contact between the brake drums and linings may occur. - The S-cams may become improperly adjusted. - The brake drums may expand.
The brake drums may expand.
347
Question: 134. If your truck or bus is equipped with dual parking control valves, you can utilize air pressure from a separate tank to? - equalize the service brake system during parking. - extend the duration of parking without consuming service air pressure. - release the spring brakes.
release the spring brakes.
348
Question: 135. The main objective of a supply pressure gauge is? - to alert the driver only when there is insufficient air in the tank. - to measure the quantity of air present in the tank. - to indicate the temperature of the air inside the tank. - all of the above are accurate reasons.
to measure the quantity of air present in the tank.
349
Question: 136. What causes the stop light switch to activate when braking in a vehicle with air brakes? - Mechanical force - Spring pressure - Air pressure - Hydraulic pressure
Air pressure
350
Question: 137. The tractor protection valve? - Has an automatic closing feature activated when the air supply depletes significantly. - Closes when applying the parking brakes. - Performs all of the aforementioned functions. - Provides the necessary air supply for the brake system.
Performs all of the aforementioned functions.
351
Question: 138. The safety valve on a typical system is set to open when the pressure reaches? - 50 psi. - 100 psi. - 150 psi.
150 psi.
352
Question: 139. In the event of a malfunction that stops the air compressor from working? - it will be impossible to use the air brakes and one will need to rely on spring or emergency brakes. - there will be sufficient air in the storage tanks to activate the air brakes once. - there will still be ample air in the storage tanks to engage the air brakes multiple times.
there will still be ample air in the storage tanks to engage the air brakes multiple times.
353
Question: 140. Where can the air tanks of a CMV be found? - Housed within the cab - Located above or around the vehicle frame - Positioned beneath or around the vehicle frame - Placed inside the engine compartment
Positioned beneath or around the vehicle frame
354
Question: 141. At approximately what air pressure should the air compressor begin pumping air in a typical air brake system? - 125 psi. - 150 psi. - 100 psi.
100 psi.
355
Question: 142. What are the necessary precautions before leaving your vehicle unattended? - Remove the keys. - Chock the wheels. - Do all of the above. - Set the parking brakes
Do all of the above.
356
Question: 143. In order to ensure safety, it is necessary for the driver to have visual access to a warning indicator that alerts them when the pressure in the service air tank drops below a certain level. - The pressure that triggers the low pressure warning signal is 100 psi. - The pressure that triggers the low pressure warning signal is 55 psi. - The pressure that triggers the low pressure warning signal is 80 psi.
The pressure that triggers the low pressure warning signal is 55 psi.
357
Question: 144. A modern Air Dryer Integrated System (AD-IS) includes which of the following components? - Governor - All of the above - Air dryer - Safety valve
All of the above
358
Question: 145. The type of brake system that activates when the driver depresses the brake pedal is the ________ brake system? - service - parking - emergency
service
359
Question: 146. In freezing and wet weather conditions, if the brake linings of your parked trailer have frozen to the brake drums, you should? - add antifreeze to the trailer air supply line. - lightly tap on the brake drums. - rely on your tractor’s alcohol evaporator (if available) to resolve the issue. - gently separate the brake linings from the brake drums
lightly tap on the brake drums.
360
Question: 147. Which of the following are true about a dual air brake system? - Typically, one system operates the front axle while the other operates the rear axle. - One system is referred to as the “primary” system and the other as the “secondary” system. - All of the above statements are accurate. - It utilizes a singular set of brake controls
All of the above statements are accurate
361
Question: 148. Most air brake systems in large commercial vehicles employ automatic valves to? - enhance air pressure at the drive wheels. - decrease air pressure at the drive wheels. - boost air pressure at the front wheels. - decrease air pressure at the front wheels.
decrease air pressure at the front wheels.
362
Question: 149. To inspect the slack adjusters on S-cam drum brakes, the initial step includes? - Coming to a stop on level ground and engaging the parking brakes. - Parking on level ground, wheel chocking, and releasing the parking brakes. - Parking on level ground and draining the air pressure.
Parking on level ground, wheel chocking, and releasing the parking brakes.
363
Question: 150. What is the proper method to evaluate if the spring brakes engage when the air pressure drops below a set level? - Park on level ground, secure the wheels with chocks, release the parking brake when there is sufficient air pressure, turn off the engine, and repeatedly depress and release the brake pedal. - Park on a slight incline, release the air pressure, set the parking brakes, and ensure the vehicle remains stationary. - Park on level ground, release the parking brake when sufficient air pressure is present, cautiously move forward, and firmly apply the foot brake.
Park on level ground, secure the wheels with chocks, release the parking brake when there is sufficient air pressure, turn off the engine, and repeatedly depress and release the brake pedal.
364
Question: 151. Typically, at what pressure does the safety valve open? - 150 psi - 200 psi - 100 psi - 250 psi
150 psi
365
Question: 152. When driving down long or steep slopes, the primary means of braking is the engine, with the service brakes serving as a supplementary option. The front brake limiting valve helps regulate the braking force? - the function of the spring brakes is significant. - the engine’s braking effect is the main contributor. - the front brake limiting valve assists in controlling the braking force.
the engine’s braking effect is the main contributor.
366
Question: 153. When should the parking brake be utilized? - The parking brake should only be engaged when parking on a hill. - The parking brake can also be utilized to help slow the vehicle on downgrades. - It is important to use the parking brake whenever the vehicle is parked.
It is important to use the parking brake whenever the vehicle is parked.
367
Question: 154. What occurs when the brake pedal is pressed in a vehicle with air brakes? - compressed air is released from the brake chambers. - compressed air enters the brake chambers. - compressed air is released from the air tanks
compressed air enters the brake chambers.
368
Question: 155. To use antilock brakes properly, what should you do? - Alternate pumping the brake pedal. - Brake in a normal manner. - Brake with additional force.
Brake in a normal manner.
369
Question: 1. Which of the following statements accurately reflects the relationship between speed management and braking? - The designated speed limit always enables a safe stop. - Stopping distance increases by one second for every 10 mph above 20 mph. - At 40 mph, you require approximately four times the braking distance compared to 20 mph. - The total stopping distance of a bus encompasses the distance taken to come to a halt once the brakes are applied
At 40 mph, you require approximately four times the braking distance compared to 20 mph
370
Question: 2. The traffic light on a drawbridge is green. You should? - Stop at least 100 feet before the bridge’s draw. - Come to a stop and wait for instructions from the attendant. - Reduce speed and ensure it is safe to continue. - Cross the drawbridge as quickly as possible.
Reduce speed and ensure it is safe to continue.
371
Question: 3. Under what conditions is it permissible for a bus to transport baggage or freight in the passenger area? - All passengers must have access to all exits. - The riders must be safeguarded against packages that may fall or shift. - The driver must have unrestricted movement and easy access. - All of the aforementioned requirements must be fulfilled.
All of the aforementioned requirements must be fulfilled.
372
Question: 4. During your inspection of the exterior of the bus, what should be done? - Open any closed access panels. - Ensure all emergency exits are closed. - None of the above should be done. - Secure any open access panels.
Secure any open access panels.
373
Question: 5. While driving a 40-foot bus at a speed of 50 mph under favorable road and visibility conditions, it is advisable to maintain a minimum of ___ seconds of following distance from the vehicle ahead for safety reasons? - 2 - 10 - 5 -3
5
374
Question: 6. When entering an expressway? - inspect expressway traffic, indicate intent, and smoothly merge into traffic. - change lanes as soon as feasible. - come to a complete stop and prepare for merging into traffic. - maintain current speed and merge into traffic.
inspect expressway traffic, indicate intent, and smoothly merge into traffic.
375
Question: 7. Being vigilant of potential hazards on the road is essential so that? - law enforcement personnel can be notified. - assistance can be provided to impaired drivers. - accurate accident reports can be filed. - adequate time is available to plan an escape in case the hazard becomes an emergency.
adequate time is available to plan an escape in case the hazard becomes an emergency.
376
Question: 8. Under which circumstances should a bus be evacuated? - During a lightning strike - During an earthquake - In the event of a tornado - None of the above
In the event of a tornado
377
Question: 9. In the absence of a traffic light or attendant, how far should you stop from a drawbridge? - 30 feet - 100 feet - 5 feet - 50 feet
50 feet
378
Question: 10. In order to transport hazardous materials on the bus, they must be? -packaged in a red box - properly labeled. - stored in the luggage compartment under the bus. - packaged in a yellow box.
properly labeled.
379
Question: 11. Charter bus drivers should? - engage in conversations with passengers. - permit passengers to consume food and smoke onboard. - prompt passengers to take their belongings with them when they disembark from the bus. - allow passengers to board the bus before the designated departure time.
prompt passengers to take their belongings with them when they disembark from the bus.
380
Question: 12. Which of the following statements regarding maintaining visibility ahead is accurate? - At highway speeds, it is advisable to scan 3-5 seconds ahead. - Direct your focus to a specific spot for durations of 12-15 seconds. - Shift your attention continuously, alternating between near and far distances.
Shift your attention continuously, alternating between near and far distances.
381
Question: 13. You can adjust the driver’s seat? - Adjustments to the driver’s seat are permissible if the bus speed is below 25 mph. - Adjustments to the driver’s seat can only be made when the bus is not in motion. - The driver may adjust the seat according to personal preference. - The driver is free to adjust the seat at any necessary time.
Adjustments to the driver’s seat can only be made when the bus is not in motion.
382
Question: 14. You are driving on a slippery road during the day. According to the CDL manual, you should increase your following distance by how much? - For every 10 mph of speed, one car length should be added to the typical following distance. - For every 10,000 pounds of gross vehicle weight, it is advisable to add one car length to the typical following distance. - Under less-than-ideal driving conditions, a substantially larger space than necessary should be allowed for safe stopping.
Under less-than-ideal driving conditions, a substantially larger space than necessary should be allowed for safe stopping.
383
Question: 15. Buses are permitted to carry up to 100 pounds of __________ within the passenger area? - liquid Class 6 poisons - small-arms ammunition - radioactive materials with appropriate labels
small-arms ammunition
384
Question: 16. Prior to departing from a stop, it is important to? - assume that other drivers will yield to you. - initiate the departure immediately after signaling. - ensure that all passengers are seated. - wait for an adequate gap in traffic.
wait for an adequate gap in traffic.
385
Question: 17. Can a bus transport explosives or radioactive materials? -Yes, if they are properly labeled as such. - No, not in areas designated for passengers. -Yes, if they are owned by passengers. - Yes, but only in areas designated for passengers.
No, not in areas designated for passengers.
386
Question: 18. Which of the following should the driver announce at each stop or the destination? - The specific location of the stop - All of the options provided - The identification number assigned to the bus - The scheduled departure time of the bus at the following stop
All of the options provided
387
Question: 19. What precautions should be taken when pulling out of a bus stop? - Begin moving as soon as all passengers are on board - Passing vehicles must reduce speed and yield to the bus - Stay vigilant regarding poles and tree branches - Assuming that other drivers will provide adequate space
Stay vigilant regarding poles and tree branches
388
Question: 20. Which of the following statements about the interior of a bus is FALSE? - Driving with an open emergency exit door or window is strictly prohibited. - Turning on the headlights negates the need for the red emergency door light to be activated. - The presence of a functional red emergency door light is mandatory. - The bus seats must ensure the safety of passengers and be securely fastened.
Turning on the headlights negates the need for the red emergency door light to be activated.
389
Question: 21. When should passengers be reminded to take their belongings with them? - Before the bus comes to a complete stop - When the bus is only a few miles away from their stop - When the bus comes to a complete stop
Before the bus comes to a complete stop
390
Question: 22. In order to deter theft and vandalism on a charter bus, - it is advisable to frequently inspect the interior of the bus. - it is necessary to retrieve all valuable possessions from the passengers. - installation of surveillance cameras can be considered. - passengers should not be allowed on the bus until the designated departure time.
passengers should not be allowed on the bus until the designated departure time.
391
Question: 23. When can you drive with your emergency door open? - If a passenger explicitly requests to do so - Only for a brief duration - If the temperature inside the cabin is excessively uncomfortable - Never under any circumstances
Never under any circumstances
392
Question: 24. What are three examples of essential emergency equipment required on a bus? - First-aid kit, fire extinguisher, spare electrical fuses (unless equipped with circuit breakers) - Fire extinguisher, warning devices for stopped vehicles, spare electrical fuses (unless equipped with circuit breakers) - Warning devices for stopped vehicles, fire extinguisher, tire repair kit
Fire extinguisher, warning devices for stopped vehicles, spare electrical fuses (unless equipped with circuit breakers)
393
Question: 25. Regarding the pre-trip inspection, when should you endorse the previous driver’s report? - If you have a personal relationship with the previous driver and trust their judgments. - Once you have personally observed all the defects listed in the report being repaired. - When the defects mentioned in the report have been confirmed as either repaired or not requiring repair. - Only when no defects are recorded on the report.
When the defects mentioned in the report have been confirmed as either repaired or not requiring repair.
394
Question: 26. How many temporary folding aisle seats are permitted in a bus that is NOT carrying farm workers? - None - Four - Eight - Six
None
395
Question: 27. During a roadside examination, your bus may be deemed out of service (OOS) for which of the subsequent infractions? - Emergency exits that are non-functional. - Exposed bare cables in the battery compartment. - All of the aforementioned. - Unstable passenger seats.
All of the aforementioned.
396
Question: 28. Where is the standee line positioned in a bus? - Placed at the rear of the bus - Situated behind the driver’s seat - Located at each emergency exit - Found at the entrance of the bus
Situated behind the driver’s seat
397
Question: 29. The posted speed limit on a curve? - reflects the safe speed for cars under normal weather conditions. - reflects the safe speed for cars and buses under adverse weather conditions. - reflects the safe speed for buses under normal weather conditions. - applies to all vehicles regardless of weather conditions.
reflects the safe speed for cars under normal weather conditions.
398
Question: 30. Before you start to drive, you must inspect all of the following EXCEPT? - the parking brake. - the windshield wipers. - the AM/FM radio. - the steering mechanism.
the AM/FM radio.
399
Question: 31. Which of the following potentially dangerous materials can passengers take on board? - Emergency hospital supplies and medications - Medical oxygen equipment - Small-arms ammunition - All of the above
All of the above
400
Question: 32. You are not obliged to come to a complete halt _________, though you must reduce speed and inspect for other vehicles.? - at a streetcar crossing - at a railroad crossing - at a red light - when directed to stop by a flagperson (flagger)
at a streetcar crossing
401
Question: 33. Passengers are prohibited from standing? - at the point where the standee line is located. - within two feet of an emergency exit. - within a two-foot proximity to any window. - between the spaces over the wheel wells.
at the point where the standee line is located.
402
Question: 34. You are operating a 30-foot bus. The road surface is dry, and visibility conditions are favorable. It is advisable to maintain a minimum following distance of _______? - 5 seconds - 3 seconds - 4 seconds
3 seconds
403
Question: 35. Recapped or regrooved tires may be used on buses? - only on the front wheels of the bus. - on any wheels of the bus. - on any wheels of the bus except for the front wheels. - only when the average speed of the bus will be less than 40 mph.
on any wheels of the bus except for the front wheels.
404
Question: 36. What is the appropriate action to take in relation to the emergency roof hatches when a bus is in motion? - They must be fully closed and locked. - They may be secured in a partially open state. - They may remain sealed but unlocked.
They may be secured in a partially open state.
405
Question: 37. In the case of buses equipped with an emergency exit door,? - it must always have an illuminated red door light activated. - it must remain clear of any signs, stickers, or markings in its vicinity. - it must be securely closed while the bus is in motion. - all of the listed requirements must be fulfilled.
it must be securely closed while the bus is in motion.
406
Question: 38. When conducting a pre-trip inspection of a coach bus restroom (lavatory), which of the following components should be examined? - All of the above - Cleanliness - Functionality of the Vacant/Occupied indicator - Availability of toilet paper
All of the above
407
Question: 39. When waiting to merge into traffic, it is advisable to? - merge slowly. - drive on the shoulder until you match the speed of traffic. - wait for an adequate gap.
wait for an adequate gap.
408
Question: 40. While operating the bus, is it permissible to open an emergency exit window? - Indeed, it is allowed. - Yes, but with limited scope. - No, it is not permitted. - Yes, but only to a certain extent.
No, it is not permitted.
409
Question: 41. What are the necessary types of emergency equipment that must be present on the bus? - Spare electric fuses, fire extinguisher, and accident reporting kit - Fire extinguisher, spare electric fuses, and emergency warning devices - Hydraulic jack, fire extinguisher, and signal flares - Emergency warning devices, fire extinguisher, and accident reporting kit
Fire extinguisher, spare electric fuses, and emergency warning devices
410
Question: 42. What should you do if a passenger wants to bring a car battery or fuel on board your bus? - Prohibit the passenger from bringing it on board. - Advise the passenger to sit near an open window. - Instruct the passenger to move to the rear of the bus. - Require the passenger to pay an additional fare.
Prohibit the passenger from bringing it on board.
411
Question: 43. Which of the following statements about the roof hatches is true? - The overall height of the bus decreases when the roof hatches are open. - The roof hatches must not be left open under any circumstances. - You can secure the roof hatches in a partially open position to allow fresh air. - Always leave the roof hatches partially open.
You can secure the roof hatches in a partially open position to allow fresh air.
412
Question: 44. Buses are permitted to transport? - car batteries. - most hazardous materials. - small-arms ammunition labeled ORM-D. - explosives.
small-arms ammunition labeled ORM-D.
413
Question: 45. What are a few common factors that contribute to injuries among bus passengers? - (c) The driver executed overly rapid door operations. - (b) The bus operator initiated or ceased movement with excessive speed. - (b) and (c) - (a) Certain passengers were in an upright position instead of being seated.
(b) and (c)
414
Question: 46. What could replace 3 reflective triangles for the emergency reflectors requirement? - At least 6 fusees or 6 liquid burning flares - 6 fusees or 3 liquid burning flares - 3 fusees or at least 6 liquid burning flares - 3 fusees or 3 liquid burning flares
6 fusees or 3 liquid burning flares
415
Question: 47. What type of cargo is not allowed to be transported on a bus with passengers? - Chemical weapons like tear gas - Emergency drug shipments - Emergency hospital supplies - Small-arms ammunition (ORM-D)
Chemical weapons like tear gas
416
Question: 48. While operating a bus, it is important to thoroughly observe? - the interior of the bus. - the sides and rear areas. - the road ahead. - all of the above
all of the above
417
Question: 49. Bus accidents often occur? - on roundabouts. - in parking lots. - at intersections. - on highways.
at intersections.
418
Question: 50. Which statements are correct regarding towing a disabled bus with passengers inside? - You can only tow a disabled bus with passengers if it is unsafe for them to exit the bus. - You can only tow a disabled bus with passengers if it is unable for them to exit the bus. - Neither of the above statements are true. - Both of the above statements are true.
Both of the above statements are true.
419
Question: 51. In what situation may a bus transport baggage and freight? - When properly secured and clear of any exits - When stored in a designated baggage or freight compartment - When owned by a passenger on board
When properly secured and clear of any exits
420
Question: 52. Monitoring your mirrors should be done? - while preparing to come to a stop. - immediately after initiating a lane change. - regularly as part of your vigilance for potential hazards.
regularly as part of your vigilance for potential hazards.
421
Question: 53. When approaching a drawbridge without signal lights or a traffic control attendant, it is necessary to come to a stop at least _______ before the bridge? - 10 feet - 50 feet - 30 feet
50 feet
422
Question: 54. When transitioning from high-beam lights to low beams? - reduce your speed to 20 mph. - increase your speed. - slow down. - maintain the same speed.
slow down.
423
Question: 55. Buses are not allowed to transport more than? - 250 pounds of any particular class of permitted hazardous materials. - 500 pounds of any particular class of permitted hazardous materials. - 100 pounds of any particular class of permitted hazardous materials.
100 pounds of any particular class of permitted hazardous materials.
424
Question: 56. If your bus is equipped with an emergency exit door? - The red emergency door light should be activated at all times as a safety precaution. - No signs, stickers, or markings should be present in close proximity to the emergency exit door. - All of the aforementioned statements are accurate. - The bus operator must ensure that the emergency exit door is closed whenever the bus is in motion
The bus operator must ensure that the emergency exit door is closed whenever the bus is in motion
425
Question: 57. At a railroad crossing, you must pause ________ before the nearest rail? - 50 to 75 feet - 5 to 20 feet - 50 to 100 feet - 15 to 50 feet
15 to 50 feet
426
Question: 58. On an urban public transportation bus, which system applies the brakes? - Service brake system - Parking brake system - Emergency brake system
Service brake system
427
Question: 59. Is it advisable for a drowsy bus driver to engage in conversation with a passenger? - No, as it may distract the bus driver from the task of driving. - Yes, since it will help the bus driver remain alert. - No, because the passenger might take advantage of the opportunity to request a different route. - No, as the conversation may inconvenience other passengers.
No, as it may distract the bus driver from the task of driving.
428
Question: 60. If you are employed by an interstate carrier, it is mandatory to complete an after-trip inspection report for every bus you have operated. What information should be included in the report? - Any defects that may compromise safety or result in a breakdown - Any issues or incidents involving the passengers - Fuel consumption, distance covered, and mileage
Any defects that may compromise safety or result in a breakdown
429
Question: 61. __________ must remain closed whenever the bus is in motion.? - The roof hatches - All the windows - The driver’s window - The emergency window
The emergency window
430
Question: 62. When operating a bus, it is advisable to maintain focus on the road? - 12–15 seconds ahead. - 7–10 seconds ahead. - 36 seconds ahead
12–15 seconds ahead.
431
Question: 63. When discharging a disruptive passenger, the chosen location should be? - the next scheduled stop. - poorly illuminated and secluded. - off the usual route. - as safe as possible, or the next stop
as safe as possible, or the next stop
432
Question: 64. Driving during nighttime, when you need to dim your headlights for traffic, what should you do? - Maintain your current speed unless specific conditions necessitate a speed alteration. - Gradually decrease your speed by 5 mph until your vision adjusts. - Reduce your speed
Reduce your speed
433
Question: 65. What is the maximum weight of hazardous materials permitted on a bus? - 100 pounds - 250 pounds - 500 pounds
500 pounds
434
Question: 66. When a bus is carrying small-arms ammunition, emergency quantities of drugs, or medical supplies, the total weight of such hazardous materials must not exceed? - 300 pounds. - 250 pounds. - 500 pounds. - 100 pounds
500 pounds.
435
Question: 67. What is the optimal time to utilize your seat belt? - Only if the regulations set by the company dictate so - At all times while operating a vehicle - Only if the bus capacity exceeds 27 individuals - Only in situations where the driving speed exceeds 35 mph
At all times while operating a vehicle
436
Question: 68. What is the definition of a hazard in the context of driving? - Anyone or anything that has the potential to cause an unsafe situation - A condition that is of lesser importance than an emergency - Something that arises from circumstances beyond your control
Anyone or anything that has the potential to cause an unsafe situation
437
Question: 69. Federal regulations prohibit you from operating a commercial motor vehicle if? - You are taking any medications. - You have been unwell in the past 24 hours. - Your driving ability is impaired due to sickness or tiredness. - You are concerned about falling ill
Your driving ability is impaired due to sickness or tiredness.
438
Question: 70. For a bus driver, which of the following concerns holds the highest importance? - Bus cleanliness - Passenger safety - Timely arrival - Passenger comfort
Passenger safety
439
Question: 71. Which of the following statements hold true? - The indicated speed limits on highway on-ramps and off-ramps are deemed safe for both automobiles and buses. - The displayed speed limits are always appropriate for all driving conditions. - All of the aforementioned statements are true. - An adequate stopping distance should be maintained, allowing the driver to foresee and respond to obstacles ahead
An adequate stopping distance should be maintained, allowing the driver to foresee and respond to obstacles ahead
440
Question: 72. Do coach buses in the United States have an obligation to stop at weigh stations when they are in operation? - It is contingent upon the regulations of the particular state. - Yes, they must stop. - No, they are not required to stop.
It is contingent upon the regulations of the particular state.
441
Question: 73. How should carry-on baggage be handled on a bus? - It must never be left in doorways or aisles. - It must always be securely stored in the overhead compartments or under the seats. - It should always be inspected by the driver as it is brought onto the bus
It must never be left in doorways or aisles.
442
Question: 74. What is the purpose of the interlock system for the brake and accelerator on an urban mass transit coach? - To replace the rear door emergency buzzer. - Instead of the parking brake. - As a safety measure when the rear door is open. - In all of the above situations.
As a safety measure when the rear door is open
443
Question: 75. When making a stop on the road to onload or offload passengers, what should you do? - Switch on your emergency lights. - Activate your brake lights to inform the drivers behind you of your stopping intentions. - Signal the drivers behind you to overtake. - Brake abruptly if necessary.
Activate your brake lights to inform the drivers behind you of your stopping intentions.
444
Question: 76. In order to obtain an endorsement, it is necessary to pass a knowledge examination on? - safe driving practices and the safe transport of passengers. - driving tank vehicles and the safe transport of passengers. - the transportation of hazardous materials and the safe transport of passengers. - driving combination vehicles and the safe transport of passengers.
safe driving practices and the safe transport of passengers.
445
Question: 77. If a passenger boarding your bus has an oxygen tank, are they allowed on the bus? - No, passengers with oxygen tanks are strictly prohibited from boarding the bus under any circumstances. - Yes, individuals carrying oxygen tanks are permitted on the bus if the tanks are enclosed in containers specifically designed for commercial use. - Yes, as long as the passenger does not have direct possession of the oxygen tank, they are allowed on the bus. - Yes, passengers with medically prescribed oxygen tanks are allowed on the bus if the tanks are contained in containers specifically designed for personal use
Yes, passengers with medically prescribed oxygen tanks are allowed on the bus if the tanks are contained in containers specifically designed for personal use
446
Question: 78. Large trucks sometimes have mirrors that are curved outward? - known as convex or “spot” mirrors. These mirrors do not require as frequent inspection as flat mirrors. - are prohibited by law in certain states. - create an optical illusion making objects appear smaller and farther away than they actually are.
create an optical illusion making objects appear smaller and farther away than they actually are.
447
Question: 79. You are approaching a railroad crossing. Which of the following statements is accurate? - If your bus is equipped with a manual transmission, avoid shifting gears while crossing the tracks. - It may be necessary to stop the bus more than 75 feet before reaching the tracks. - If crossing signals do not indicate the approach of a train, there is no obligation to stop.
If your bus is equipped with a manual transmission, avoid shifting gears while crossing the tracks.
448
Question: 80. Before commencing the journey, it is essential to ensure that carry-on baggage is NOT? - occupying the aisles. - placed on the seats. - positioned on passengers’ laps. - stored beneath the seats.
occupying the aisles.
449
Question: 81. Passengers should not be permitted to stand - beyond the designated standee line. - within two feet of an emergency exit. - adjacent to the rear exit.
beyond the designated standee line.
450
Question: 82. Given that you are operating a 40-foot bus at a velocity of 50 mph, the road is not slippery and visibility is favorable. How much space ahead should you maintain? - 5 seconds - 4 seconds - 6 seconds
5 seconds
451
Question: 83. During the vehicle inspection test, what component must be examined for damages, smooth operation, and secure closure from the inside? - Every emergency exit - The fuel tank - Each mirror - The battery box
Every emergency exit
452
Question: 84. While operating the bus, it is advisable to? - systematically scan the interior of the bus and the surrounding road. - carefully observe the traffic alongside the bus. - scan the road ahead approximately 5 to 7 seconds.
systematically scan the interior of the bus and the surrounding road.
453
Question: 85. What is the recommended practice for managing space alongside your bus? - Whenever possible, avoid traveling alongside other vehicles. - Always keep your bus to the right side of your lane. - Always keep your bus to the left side of your lane.
Whenever possible, avoid traveling alongside other vehicles.
454
Question: 86. What does “ORM-D” stand for? - Other Regulated Materials – Dangerous - Other Regulated Materials – Domestic - Other Required Materials – Domestic - Other Required Materials – Durable
Other Regulated Materials – Domestic
455
Question: 87. Which seats are required to have seat belts installed? - Seats on the side - The seat of the driver - Both of the above - None of the above
The seat of the driver
456
Question: 88. When must you complete an inspection report? - Prior to commencing your journey - Upon request - Only in case of suspected malfunction - At the conclusion of your work shift
At the conclusion of your work shift
457
Question: 89. At _________, it is necessary to always reduce your speed and verify the presence of other motor vehicles? - unattended drawbridges - railroad crossings designated as “exempt” - railroad crossings labeled with signs or signals
railroad crossings designated as “exempt”
458
Question: 90. When is it advisable to check your mirrors before changing lanes? - Both prior to and following signaling the lane change - Upon completing the lane change - Immediately after initiating the lane change - All of the aforementioned instances
All of the aforementioned instances
459
Question: 91. When operating a bus, what does the term “rock and roll” mean? - Intense crosswinds causing your bus to sway from side to side - Swaying your body in sync with rock music playing on the radio - Rocking your bus back and forth to dislodge it from mud or ice - Swaying your body to gain better visibility around obstructions
Swaying your body to gain better visibility around obstructions
460
Question: 92. In the absence of a signal light or a traffic control attendant, at a drawbridge, the minimum required distance you should halt from the bridge’s draw is _______? - 25 feet - 75 feet - 50 feet - 15 feet
50 feet
461
Question: 93. In order to ensure the safety of passengers, it is essential to inspect the interior of the bus prior to driving. What factors should be assessed? - All of the above criteria must be met. - The presence of a visible “Emergency Exit” sign on each emergency door. - Unobstructed aisles and stairwells at all times. - Secure fastening of all seats within the bus.
All of the above criteria must be met.
462
Question: 94. You should sign the inspection report made by the previous driver only if? - The individual who filled out the report is present. - The reported defects have been verified as repaired or not in need of repair. - Certain repairs remain incomplete.
The reported defects have been verified as repaired or not in need of repair.
463
Question: 95. Luggage or freight carried on a bus must be securely stowed in a designated compartment that is separate from? - passengers. - positioned to allow for emergency use of any door or window. - placed in front of the designated standee line.
positioned to allow for emergency use of any door or window.
464
Question: 96. What is the minimum distance at which you must come to a halt from the nearest rail at a railroad crossing? - 20 - 25 - 15 - 50
15
465
Question: 97. Can a bus carry solid Class 6 poisons? - Yes, but only if the quantity does not exceed 100 pounds. - Yes, but not within the passenger area. - No. - Yes, provided that appropriate labeling is employed.
Yes, but only if the quantity does not exceed 100 pounds.
466
Question: 98. To operate a bus that can accommodate ____ or more individuals, including yourself, you must possess a CDL with a Passenger (P) endorsement? - 32 - 21 - 16 - 24
16
467
Question: 99. Refrain from refueling your bus? - without the use of a static chain. - while any of the windows are open. - using a higher grade of fuel. - within an enclosed structure while passengers are aboard.
within an enclosed structure while passengers are aboard.
CDL-Class
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