3˚ TEST Flashcards by Oliviero Vigna Suria

What should a driver do if their brakes fail on a downgrade?
* A) Turn off the engine
* B) Downshift and use the engine braking
* C) Speed up to find an emergency exit ramp
* D) Pump the brakes rapidly

CORRECT ANSWER: B

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When should you use the trailer hand valve?
* A) To test the trailer brakes
* B) As a parking brake
* C) During normal driving
* D) To release the spring brakes

CORRECT ANSWER: A

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What is the purpose of the brake chamber?
* A) To convert air pressure into mechanical force to apply the brakes
* B) To store compressed air
* C) To filter the air entering the brake system
* D) To vent excess air pressure

CORRECT ANSWER: A

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What should you do after disconnecting the air lines and electrical cables during uncoupling?
* A) Secure the air lines and electrical cables
* B) Raise the landing gear
* C) Release the trailer brakes
* D) Check the trailer lights

CORRECT ANSWER: A

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How often should you check the tank and its fittings during a trip?
* A) Once at the start of the trip
* B) Every 100 miles
* C) Every time you stop
* D) Only at the end of the trip

CORRECT ANSWER: C

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What is the most important thing to do when loading a liquid tank?
* A) Load quickly to save time
* B) Ensure the load is balanced
* C) Keep the tank half-full
* D) Use the smallest compartments first

CORRECT ANSWER: B

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How should you position your vehicle when parking with hazardous materials?
* A) As close to the road as possible
* B) In a safe location, away from populated areas and open flames
* C) On an incline
* D) Next to other vehicles carrying hazardous materials

CORRECT ANSWER: B

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What should you do if you discover a small leak in a hazardous materials container during transport?
* A) Continue driving and report it at the destination
* B) Stop immediately and report the leak according to your company’s emergency procedures
* C) Speed up to reduce the leak
* D) Ignore it if the leak is small

CORRECT ANSWER: B

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What should you do if your trailers begin to sway?
* A) Accelerate to regain control
* B) Apply the brakes firmly
* C) Slow down and steer straight
* D) Use the trailer hand valve

CORRECT ANSWER: C

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How should you approach a downhill grade when driving doubles or triples?
* A) Use a higher gear
* B) Apply the brakes continuously
* C) Use a lower gear and engine braking
* D) Speed up to maintain control

CORRECT ANSWER: C

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What should you do if you see a vehicle illegally passing your stopped school bus?
* A) Honk the horn
* B) Yell at the driver
* C) Report the vehicle’s license plate number to the authorities
* D) Chase the vehicle

CORRECT ANSWER: C

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When should the school bus’s emergency exit drills be conducted?
* A) Weekly
* B) Monthly
* C) Twice a year
* D) Only in an emergency

CORRECT ANSWER: C

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When driving in heavy traffic, how should you maintain a safe following distance?
* A) Follow the vehicle in front of you closely
* B) Use the “one-second per 10 feet of vehicle length” rule
* C) Follow the “three-second rule”
* D) Use the “four-second rule”

CORRECT ANSWER: B

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What is the proper procedure for handling a passenger who is smoking on the bus?
* A) Ignore it
* B) Yell at the passenger
* C) Politely remind the passenger that smoking is not allowed
* D) Allow it as long as it doesn’t bother other passengers

CORRECT ANSWER: C

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What should you do if you find a minor defect during a vehicle inspection?
* A) Ignore it and continue driving
* B) Report it and monitor it for changes
* C) Fix it immediately
* D) Drive faster to avoid problems

CORRECT ANSWER: B

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How should you check the vehicle’s drive shaft?
* A) By inspecting its color
* B) By ensuring it is not bent, cracked, or loose, and all parts are securely mounted
* C) By measuring its length
* D) By checking the brand of the drive shaft

CORRECT ANSWER: B

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How often should a driver check their mirrors?
* A) Every 5-8 seconds
* B) Every 10-12 seconds
* C) Every 20-30 seconds
* D) Only when changing lanes

CORRECT ANSWER: A

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How many hours of off-duty time are required before starting a new work shift?
* A) 8 hours
* B) 10 hours
* C) 12 hours
* D) 14 hours

CORRECT ANSWER: B

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CORRECT ANSWER: A

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Why is it important to conduct a walk-around inspection after coupling the trailer?
* A) To check for any visible damage to the tractor
* B) To ensure all connections are secure and there are no air leaks
* C) To verify the load is balanced
* D) To clean the trailer

CORRECT ANSWER: B

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What should you do if you discover a leak in your tanker?
* A) Continue to your destination
* B) Speed up to reduce the leak
* C) Stop immediately and fix the leak
* D) Report the leak and follow emergency procedures

CORRECT ANSWER: C

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How often should you check the cargo and securement devices during a trip?
* A) Every time you stop
* B) At the start of the trip
* C) Once a day
* D) Only at the end of the trip

CORRECT ANSWER: A

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What is the primary responsibility of the driver when transporting hazardous materials?
* A) To ensure timely delivery
* B) To ensure the safety of the public and the environment
* C) To maximize fuel efficiency
* D) To maintain the vehicle’s cleanliness

CORRECT ANSWER: B

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What does the term “inhalation hazard” refer to?
* A) Materials that can be harmful if inhaled
* B) Materials that are explosive
* C) Materials that are flammable
* D) Materials that are corrosive

CORRECT ANSWER: A

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When parking doubles or triples, what should you use to prevent movement? * A) The parking brake * B) Wheel chocks * C) The trailer hand valve * D) The emergency brake

CORRECT ANSWER: B

What should you do if your trailers begin to jackknife? * A) Speed up to straighten them out * B) Apply the brakes hard * C) Release the brakes and steer in the direction of the skid * D) Use the trailer hand valve

CORRECT ANSWER: C

What is the correct procedure for loading and unloading students at a bus stop? * A) Load and unload as quickly as possible * B) Use the stop arm and flashing red lights to control traffic * C) Only use the stop arm * D) Only use the flashing red lights

CORRECT ANSWER: B

What should a school bus driver do if they notice a vehicle illegally passing their stopped school bus? * A) Ignore the vehicle * B) Report the vehicle's license plate number to the authorities * C) Chase the vehicle * D) Yell at the driver

CORRECT ANSWER: B

What should you do if you see a vehicle attempting to merge into your lane? * A) Speed up to block the vehicle * B) Move over if it is safe to do so * C) Slow down and allow the vehicle to merge * D) Honk your horn

CORRECT ANSWER: C

When should you use the bus's interior lights? * A) Only during nighttime * B) Only during emergency situations * C) When loading or unloading passengers in the dark * D) At all times

CORRECT ANSWER: C

How do you check the vehicle’s horn? * A) By looking at it * B) By pressing it to ensure it works properly * C) By listening to the radio * D) By inspecting its color

CORRECT ANSWER: B

What should you look for when inspecting the vehicle's hub oil seals? * A) The color of the oil * B) Leaks and proper oil level * C) The brand of the seals * D) The size of the seals

CORRECT ANSWER: B

What is a "No Zone"? * A) An area where parking is not allowed * B) A vehicle's blind spots * C) A restricted speed zone * D) A toll booth area

CORRECT ANSWER: B

What is the main purpose of the "10-hour rule" in the hours-of-service regulations? * A) To limit the number of deliveries a driver can make * B) To ensure drivers have adequate rest before driving again * C) To control the amount of cargo a driver can carry * D) To set speed limits for long-haul routes

CORRECT ANSWER: B

How should you check the free play in manual slack adjusters on S-cam brakes? * A) Park on level ground, chock the wheels, and release the parking brakes * B) Drive at low speed and apply the brakes * C) Check the air pressure gauge * D) Listen for air leaks

CORRECT ANSWER: A

How do you test the trailer brakes after coupling? * A) Use the trailer hand valve * B) Use the parking brake * C) Pull the trailer forward * D) Accelerate quickly

CORRECT ANSWER: A

What is the proper way to load a tanker with multiple compartments? * A) Load each compartment equally * B) Load the front compartment first * C) Load the rear compartment first * D) Load the heaviest liquid last

CORRECT ANSWER: A

What is the purpose of the air pressure relief valve on a tanker? * A) To increase the tank's capacity * B) To allow air to enter the tank * C) To release excess air pressure * D) To vent hazardous vapors

CORRECT ANSWER: C

What should you do if you are involved in an accident while transporting hazardous materials? * A) Leave the scene immediately * B) Notify emergency responders and provide them with the shipping papers * C) Continue driving to the nearest service station * D) Attempt to clean up the spill yourself

CORRECT ANSWER: B

When should you use the "DANGEROUS" placard? * A) When carrying non-hazardous materials * B) When carrying mixed loads of hazardous materials * C) When carrying radioactive materials * D) When carrying a single class of hazardous material

CORRECT ANSWER: B

How can you test the trailer brakes on a double or triple trailer? * A) By using the trailer hand valve while moving slowly * B) By applying the parking brake * C) By releasing the air brakes * D) By checking the air pressure gauge

CORRECT ANSWER: A

When should you use the trailer hand valve? * A) To park the trailer * B) To test the trailer brakes * C) To help control your speed when going down steep hills * D) Only in an emergency to prevent jackknifing

CORRECT ANSWER: D

CORRECT ANSWER: B

When should you check your school bus's emergency equipment? * A) Only during the annual inspection * B) Daily, before starting your route * C) Once a month * D) Only when you have an emergency

CORRECT ANSWER: B

When should you use the bus's interior lights? * A) Only during nighttime * B) Only during emergency situations * C) When loading or unloading passengers in the dark * D) At all times

CORRECT ANSWER: C

How should you respond if a passenger needs assistance while boarding or exiting the bus? * A) Ignore them * B) Assist them as needed, ensuring their safety * C) Tell them to hurry up * D) Ask another passenger to help

CORRECT ANSWER: B

What should you inspect on the vehicle’s exhaust system? * A) The color of the exhaust * B) The sound of the exhaust * C) Any leaks, holes, or missing parts * D) The temperature of the exhaust

CORRECT ANSWER: C

How do you check the vehicle's power steering fluid level? * A) By checking the fluid’s color * B) By using the dipstick to ensure the fluid is within the safe range * C) By smelling the fluid * D) By checking the fluid’s brand

CORRECT ANSWER: B

What should you do if you experience a tire blowout? * A) Brake hard immediately * B) Hold the steering wheel firmly and ease off the accelerator * C) Accelerate to regain control * D) Turn sharply to the side of the road

CORRECT ANSWER: B

What is the correct way to approach a railroad crossing in a commercial vehicle? * A) Speed up to clear the tracks quickly * B) Stop, look, listen, and then proceed * C) Proceed without stopping if no train is visible * D) Turn on emergency flashers and cross slowly

CORRECT ANSWER: B

What should you do if you find that the slack adjusters are out of adjustment? * A) Ignore it and continue driving * B) Adjust them immediately * C) Increase air pressure in the system * D) Drain the air tanks

CORRECT ANSWER: B

What should you do if you see the ABS warning light on the trailer? * A) Continue driving as usual * B) Stop and inspect the ABS system * C) Disconnect the ABS * D) Use the parking brake

CORRECT ANSWER: B

Why is it important to use caution when driving a tanker in wet conditions? * A) To avoid getting the liquid dirty * B) Because the surge can be more difficult to control * C) To increase fuel efficiency * D) Because the tank can overheat

CORRECT ANSWER: B

Why should you avoid sudden braking when driving a tanker? * A) To prevent tire wear * B) To avoid spillage of the liquid * C) To maintain fuel efficiency * D) To reduce engine strain

CORRECT ANSWER: B

How should hazardous materials be loaded and unloaded? * A) Quickly to save time * B) Carefully, following all safety protocols * C) Without any protective equipment * D) Only by the driver

CORRECT ANSWER: B

What should you do if your vehicle becomes disabled while transporting hazardous materials? * A) Set out reflective triangles and call for assistance * B) Leave the vehicle and walk away * C) Continue driving at a slower speed * D) Attempt to repair the vehicle yourself

CORRECT ANSWER: A

What is the primary purpose of the air lines on double or triple trailers? * A) To supply air to the tires * B) To cool the brakes * C) To supply air to the brake system * D) To provide air conditioning to the trailers

CORRECT ANSWER: C

Why is it important to check the weight limits of your double or triple trailers? * A) To avoid fines and penalties * B) To ensure proper brake function * C) To prevent overloading and maintain vehicle control * D) To increase fuel efficiency

CORRECT ANSWER: C

Why is it important to conduct a post-trip inspection of the school bus? * A) To check for lost items and sleeping students * B) To refuel the bus * C) To clean the bus * D) To inspect the tires

CORRECT ANSWER: A

What is the proper procedure for handling a school bus accident? * A) Drive to the nearest police station * B) Remain at the scene, ensure the safety of the students, and call for help * C) Continue to your destination * D) Move the bus to a safe location and leave the students unattended

CORRECT ANSWER: B

How should you handle a situation where a passenger is smoking on the bus? * A) Ignore it * B) Yell at the passenger * C) Politely remind the passenger that smoking is not allowed * D) Allow it as long as it doesn't bother other passengers

CORRECT ANSWER: C

When should you complete a written inspection report for a passenger bus? * A) At the beginning of each week * B) At the end of each shift * C) Every month * D) Only when problems are found

CORRECT ANSWER: B

Why is it important to check the vehicle’s battery during an inspection? * A) To see if it is the right brand * B) To ensure it is properly secured and has no corrosion or leaks * C) To check its color * D) To ensure it is fully charged

CORRECT ANSWER: B

What should you look for when inspecting the vehicle's fuel system? * A) The color of the fuel * B) Leaks, secure caps, and proper connections * C) The fuel brand * D) The size of the fuel tank

CORRECT ANSWER: B

What is the purpose of a cargo securement inspection? * A) To check for leaks * B) To ensure all cargo is properly loaded and secured * C) To verify tire pressure * D) To clean the cargo area

CORRECT ANSWER: B

What does a "placard" indicate on a commercial vehicle? * A) The type of cargo being carried * B) The vehicle's registration status * C) The driver's license class * D) The route the vehicle will take

CORRECT ANSWER: A

What is the purpose of the service brake system? * A) To apply the parking brakes * B) To apply the brakes during normal driving * C) To release the spring brakes * D) To adjust the brake pressure

CORRECT ANSWER: B

How should you handle a situation where the trailer starts to skid? * A) Accelerate to regain control * B) Apply the trailer hand valve * C) Release the brakes and steer in the direction of the skid * D) Use the parking brake

CORRECT ANSWER: C

What should you do if your tanker starts to skid? * A) Accelerate to gain control * B) Apply the brakes hard * C) Steer in the direction of the skid * D) Turn sharply

CORRECT ANSWER: C

How should you park a loaded tanker vehicle on a slope? * A) With the front of the vehicle facing uphill * B) With the rear of the vehicle facing uphill * C) With the tank parallel to the slope * D) At an angle to the slope

CORRECT ANSWER: A

What type of training is required for drivers transporting hazardous materials? * A) Basic driving skills * B) Hazardous materials training and certification * C) First aid training * D) Mechanical training

CORRECT ANSWER: B

What should you do before uncoupling a second trailer? * A) Apply the brakes * B) Drain the air tanks * C) Ensure the trailer wheels are chocked D) Disconnect the electrical lines

CORRECT ANSWER: C

What should you do if you notice your trailers fishtailing? * A) Speed up to stabilize them * B) Apply the trailer brakes gently * C) Slow down and avoid sharp steering movements * D) Use the trailer hand valve

CORRECT ANSWER: C

What is the purpose of the crossing control arm on a school bus? * A) To prevent students from walking in front of the bus * B) To assist in loading luggage * C) To signal other drivers * D) To help the driver see better

CORRECT ANSWER: A

How should you handle a situation where a student drops something outside the bus and tries to retrieve it? * A) Allow the student to get it quickly * B) Stop the student and retrieve the item yourself if safe to do so * C) Ignore the situation * D) Ask another student to retrieve it

CORRECT ANSWER: B

When is it appropriate to use the bus's horn? * A) To greet other drivers * B) To signal for passengers to board * C) To warn other drivers of danger * D) To scare off animals

CORRECT ANSWER: C

What is the purpose of the standee line on a bus? * A) To provide extra seating * B) To mark the line where standing passengers should not cross * C) To indicate where to load cargo * D) To separate the driver from passengers

CORRECT ANSWER: B

What should you check on the vehicle's windshield and windows? * A) Their color * B) Their cleanliness, any cracks, chips, or damage * C) Their size * D) Their brand

CORRECT ANSWER: B

How should you check the vehicle’s transmission fluid level? * A) By checking the fluid’s color * B) By using the dipstick to ensure the fluid is within the safe range * C) By smelling the fluid * D) By checking the fluid’s brand

CORRECT ANSWER: B

Which of the following is true about backing a commercial vehicle? * A) Backing should be done as fast as possible * B) Use the shortest possible path when backing * C) Avoid using mirrors while backing * D) It is safest to back up in traffic

CORRECT ANSWER: B

What does the dual air brake system consist of? * A) Two separate air systems with a single set of controls * B) Two separate air systems with two sets of controls * C) A single air system with a backup reservoir * D) A single air system with two compressors

CORRECT ANSWER: A

What is the primary cause of a trailer jackknife? * A) Overloaded trailer * B) Sudden acceleration * C) Locked trailer brakes * D) Excessive tire pressure

CORRECT ANSWER: C

How can you ensure the safe operation of a tanker vehicle when making a lane change? * A) Change lanes quickly to avoid other traffic * B) Signal early and change lanes slowly and smoothly * C) Speed up before changing lanes * D) Make the lane change without signaling

CORRECT ANSWER: B

What is the primary concern when transporting hazardous materials in a tanker? * A) Fuel efficiency * B) Preventing theft * C) Safety and preventing leaks * D) Speed of delivery

CORRECT ANSWER: C

What is the purpose of using dikes and barriers during a hazardous materials spill? * A) To increase the speed of the cleanup process * B) To contain and control the spill, preventing it from spreading * C) To mark the location of the spill * D) To direct traffic around the spill

CORRECT ANSWER: B

What is the significance of the "reportable quantity" (RQ) on a shipping paper? * A) It indicates the total quantity of all cargo * B) It triggers the need for a spill report if the material is released * C) It shows the weight of the vehicle * D) It marks the distance traveled

CORRECT ANSWER: B

When should you inspect the coupling devices on double or triple trailers? * A) Only during pre-trip inspections * B) Before and after each trip * C) Weekly * D) Monthly

CORRECT ANSWER: B

How should you position the trailer when coupling to a second trailer? * A) At a slight angle * B) Directly in line with the first trailer * C) At a right angle * D) Perpendicular to the first trailer

CORRECT ANSWER: B

How should you approach a student loading zone? * A) At high speed * B) With caution, checking for students and other hazards * C) With the stop arm retracted * D) With the doors open

CORRECT ANSWER: B

When should you use the interior lights on the school bus? * A) Only when loading or unloading in the dark * B) At all times * C) Only when driving in residential areas D) Only during emergency situations

CORRECT ANSWER: A

What is the best way to ensure passengers are seated safely? * A) By instructing them to sit properly and using seat belts if available * B) By letting them choose their seats * C) By telling them to sit quietly * D) By checking their seating positions before starting the bus

CORRECT ANSWER: A

How should you approach a railroad crossing when driving a passenger bus? * A) Speed up to cross quickly * B) Slow down, stop, look, and listen before crossing * C) Cross without stopping if no train is visible * D) Honk the horn and proceed

CORRECT ANSWER: B

When inspecting the vehicle's wipers and washers, what should you look for? * A) The color of the wipers * B) Their ability to clean the windshield effectively and the washer fluid level * C) The length of the wipers * D) The brand of the washer fluid

CORRECT ANSWER: B

What should you inspect on the vehicle’s drive belts? * A) The color of the belts * B) Fraying, cracking, and proper tension * C) The length of the belts * D) The brand of the belts

CORRECT ANSWER: B

What is the function of the air compressor in a commercial vehicle? * A) To provide air for the brakes * B) To cool the engine * C) To inflate the tires * D) To power the headlights

CORRECT ANSWER: A

What should you do if your vehicle hydroplanes? * A) Brake hard immediately * B) Turn sharply to regain traction * C) Ease off the accelerator and steer straight * D) Accelerate to break the water surface

CORRECT ANSWER: C

What is the purpose of the governor in an air brake system? * A) To regulate the maximum air pressure in the system * B) To increase air pressure in the system * C) To release moisture from the air tanks * D) To adjust the brake slack

CORRECT ANSWER: A

How should you inspect the electrical connections between the tractor and trailer? * A) Ensure they are clean and securely connected * B) Ensure they are loose and flexible * C) Ensure they are hanging freely * D) Ensure they are disconnected

CORRECT ANSWER: A

What is the best way to reduce surge when stopping a tanker vehicle? * A) Apply the brakes firmly * B) Pump the brakes * C) Use controlled or stab braking * D) Stop as quickly as possible

CORRECT ANSWER: C

What should you do if you notice a surge of liquid when stopping a tanker? * A) Brake harder to stop quickly * B) Release the brakes and pump them gently * C) Accelerate slightly to counter the surge * D) Use the parking brake

CORRECT ANSWER: B

3˚ TEST Flashcards

(100 cards)