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CLP / CDL-A > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

If you are not sure what to use to extinguish a hazardous materials fire you should:

a. use dirt
b. wait for qualified firefighters
c. use water

A

wait for qualified firefighters

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2
Q

Which of these statements about backing a heavy vehicle is true?

a. you should avoid backing whenever you can
b. it is safer to back toward the right side of the truck than toward the driver’s side
c. helpers should be out of the driver’s line of sight, and use only voice (spoken) signals to communicate with the driver

A

you should avoid backing whenever you can

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3
Q

What is true about other drivers?

a. short time drivers or rented trucks are not yet used to short visibility and they are a hazard
b. mail or delivery drivers are professionals and they are not a hazard
c. drivers using turn signals always can be trusted to make turn as they show it

A

short time drivers or rented trucks are not yet used to short visibility and they are a hazard

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4
Q

Which of these don’t need to be checked during a pre-trip inspection:

a. the load is secured
b. if all the vehicle lights are right and clean
c. how much duel there is in the vehicle

A

how much fuel there is in the vehicle

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5
Q

Loads carried in containers:

a. it should come with it’s own cargo tie down or locks
b. it is used generally when the load is carried by train or by ship
c. it doesn’t require inspection or secured by the driver

A

it is used generally when the load is carried by train or by ship

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6
Q

Trucks and buses are under certain rules, regulations and restrictions. Which of these sentences is true?

a. county and city rules don’t apply on trucks and buses dedicated to interstate commerce
b. federal regulations are applied only for trucks and buses used at least 50 miles of one trip
c. laws and restrictions can be different from one place to another

A

laws and restrictions can be different from one place to another

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7
Q

Which of these sentences about pre trip inspection is true?

a. leave the key in the starter switch so you cannot loose it while you are under the truck
b. if you need to pull the cab, be sure there are no loosen things so they won’t fall and break something
c. if you are parking on the street, you should not walk toward the oncoming traffic

A

if you need to pull the cab, be sure there are no loosen things so they won’t fall and break something

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8
Q

The principal cause of deaths in accidents is:

a. eat while you are driving
b. drive too fast
c. drive at night

A

drive too fast

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9
Q
  • Most of the skids:
    a. are because driving too fast or stopping too fast
    b. won’t happen in radial tires
    c. pasan en hielo
A

are because driving too fast or stopping too fast

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10
Q

Which of these is the best way to indicate change of lanes

a. indicate before changing lanes, and then move it next lane faster
b. indicate early, and change lanes smooth and slowly
c. indicate just when you start changing lanes, and move it slowly

A

indicate early, and change lanes smooth and slowly

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11
Q

To prevent brake fading, you should

a. choose a gear shift that keeps your vehicle at safe speed on steeped downgrades
b. apply content pressure to the brakes on steeped downgrades
c. coast on steeped downgrades

A

choose a gear shift that keeps your vehicle at safe speed on steeped downgrades

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12
Q

You are checking your wheels and rims for a pre trip inspection, which of these is true?

a. rust around wheel nuts may mean that they are loose
b. lock rings uneven can be used at the same vehicle
c. a vehicle can be safely driven with one missing lug nut on a wheel

A

rust around wheel nuts may mean that they are loose

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13
Q

Can the state inspectors check your bus or truck?

a. yes, and they can put it out of service
b. no
c. yes, but they cannot put it out of service

A

yes, and they can put it out of service

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14
Q

When you drive in the night, you should use your low beams with an oncoming car toward you, at the distance of:

a. 400 feet
b. 300 feet
c. 500 feet

A

500 feet

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15
Q

Which of these sentences about an equipment inspection is true:

a. distortioned coil springs are safe when they are not broken
b. suspension parts must be verified on all axles except the power unit
c. Axle clamps must be verified over each part where they are safety to the axle vehicle structure

A

Axle clamps must be verified over each part where they are safety to the axle vehicle structure

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16
Q

Which of these sentences about staying alert is true?

a. if you have to stop and take a nap, it should be in a rest area or truck stop, never on the shoulder of the road
b. a half hour break for coffee will do more to keep you alert than a half hour nap
c. sleep is the only thing that can overcome fatigue

A

sleep is the only thing that can overcome fatigue

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17
Q

Which of these sentences about overhead clearance is true?

a. if the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder
b. the weight of a vehicle changes its height
c. you should assume posted clearance signs are correct

A

the weight of a vehicle changes its height

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18
Q

Which of these sentences about downshifting is true?

a. when double clutching, you should let the rpm’s decrease while the clutch is released and the shift lever is in neutral
b. when you downshift for a curve, you should do it just before entering to the curve
c. when you downshift for a curve, you should do so before you enter the curve

A

when you downshift for a curve, you should do so before you enter the curve

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19
Q

If you don’t have a CB radio, what is the first thing you should do at the accident scene?

a. call for the authority
b. help the hurt people
c. protect the area

A

protect the area

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20
Q

Which of these is true about the drive skids of rear wheels?

a. with vehicles towing trailers, the trailer can push the towing vehicle sideways
b. the front wheels usually slide sideways in an attempt to “catch up” with the rear tires
c. locked wheels have more traction than rolling wheels

A

with vehicles towing trailers, the trailer can push the towing vehicle sideways

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21
Q

Which don’t provide extra change of shifts gears in some trucks?

a. auxiliary transmissions
b. automatic transmissions
c. multi-speed rear axles

A

automatic transmissions

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22
Q

The distance you should see ahead of your vehicle is:

a. 1/4 mile at highway speed
b. 1/2 mile at highway speed
c. 1/8 mile at highway speed

A

1/4 mile at highway speed

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23
Q

Which of these sentences about driving in cold weather is true?

a. an engine cannot overheat when the weather is too cold
b. exhaust system leaks are less dangerous in cold weather
c. antifreeze and windshield wipers should be used

A

antifreeze and windshield wipers should be used

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24
Q

What should you do before mountain driving?

a. unlock the steering axle brakes
b. carry tire chains in the truck
c. know the scape ramps location on your route

A

know the scape ramps location on your route

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25
Q

If you have a car following you too close, behind your vehicle, you should:

a. keep a longer following distance
b. turning on and off your brake lights
c. signaling to the vehicle behind you when it’s safe to pass

A

keep a longer following distance

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26
Q

Which of these sentences about speed management is true?

a. shadow roads get best traction than open areas
b. bridges will freeze before the roads will
c. when the road is slipper, it will take more time to stop and will be more had to make a turn without skipping

A

when the road is slippery, it will take more time to stop and will be more hard to make a turn without skipping

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27
Q

Your truck is in a traffic emergency and may collide with another vehicle if you don’t take action. Which of these is a good rule to remember at such a time?

a. stopping is always the safest action in a traffic emergency
b. you can almost always turn to miss an obstacle more quickly than you can stop
c. leaving the road is always more risky than hiring another vehicle

A

you can almost always turn to miss an obstacle more quickly than you can stop

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28
Q

To help you stay alert while driving, you should:

a. take short breaks before you get drowsy
b. schedule trips for hours you are normally asleep
c. keep the cab silent and warm

A

take short breaks before you get drowsy

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29
Q

Bridge formulas

a. permits less maximum axle weight for axles that are far together
b. permits less maximum axle weight for axles that are closer together
c. permits the same maximum axle weight for any distance between axles

A

permits less maximum axle weight for axles that are closer together

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30
Q

When you pass another vehicle, pedestrian, or biker you should suppose:

a. they know you want to pass
b. they see your vehicle
c. they can move into your lane

A

they can move into your lane

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31
Q

The distance you should see ahead of your vehicle when you are driving is approximately:

a. 1/2 block at lower speeds
b. 2 blocks at lower speeds
c. 1 block at lower speeds

A

1 block at lower speeds

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32
Q

When the hydraulic brakes fail while you are driving, the system won’t build up pressure and the brake pedal will feel spongy, or it’ll move down. What action should be done in this case?

a. push the brake pedal as hard as you can
b. put the vehicle in neutral and pull the had brakes
c. pump the brake pedal to get pressure

A

pump the brake pedal to get pressure

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33
Q

Which of these is not true about stopping in an emergency situation:

a. It doesn’t matter how you brake on an emergency situation
b. you should brake to keep straight your vehicle
c. you should avoid using the brakes until your speed has dropped to about 40 mph

A

it doesn’t matter how you brake in an emergency situation

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34
Q

Which three things add up to the total stopping distance for your truck or bus?

a. perception distance, reaction distance, and braking distance
b. sight distance, correspondence distance, brake distance
c. attention distance, reaction distance, slowing distance

A

perception distance, reaction distance, and braking distance

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35
Q

You can see a marking on a vehicle ahead of you. the marking is a red triangle with an orange center. What does that marking mean?

a. the vehicle is hauling hazardous materials
b. it may be a slow moving vehicle
c. it is driven by a student

A

it may be a slow moving vehicle

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36
Q

Which fires can you use water?

a. gasoline fires
b. electrical fires
c. tire fires

A

tire fires

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37
Q

Placards must be:

a. placed on all vehicles carrying hazardous materials
b. placed on four sides of the vehicle
c. placed only in front and rear of the vehicle

A

placed on four sides of the vehicle

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38
Q

Which sentence about double clutching and shifting is true?

a. double clutching should only be used with a heavy load
b. you can use the tachometer to tell you the to shift
c. double clutching should not be used when the road is slippery

A

you can use the tachometer to tell you when to shift

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39
Q

Which of these systems should receive more attention during an inspection in winter?

a. suspension
b. exhaust system
c. steering

A

exhaust system

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40
Q

Which of these is not dangerous when an automatic transmission shift into a lower gear at high speed?

a. transmission damage
b. steering wheel lose control
c. retarder effect lose control

A

steering wheel lose control

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41
Q

The blood alcohol concentration or BAC is determined for a person you need to know:

a. how often does the person drink alcohol
b. how much the person weighs
c. how old the person is

A

how much the person weighs

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42
Q

Which of these should be tested while the truck is parking?

a. hydraulic brake
b. service brakes
c. parking brakes

A

hydraulic brake

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43
Q

In bad weather, many drivers follow large vehicles closely, What should you do?

a. turn on your taillights to warn the drivers behind you an let more space
b. increase your following distance to avoid having to make sudden changes
c. increase your speed to get more following distance from the driver behind you

A

increase your following distance to avoid having to make sudden changes

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44
Q

Truck scape ramps

a. cannot be used by certain heavy vehicles
b. is not for buses
c. are made to avoid injury to vehicles

A

are made to avoid injury to vehicles

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45
Q

Which of these is correct about taking emergency actions to avoid a crash?

a. to turn fast, you must have hold of the steering wheel tightly
b. stopping is always the safest thing to do in an emergency
c. generally you can stop faster than turn to avoid a obstacle

A

to turn fast, you must have hold of the steering wheel tightly

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46
Q

What should you do when you see a dangerous obstacle ahead on the road?

a. avoid it and return to your lane
b. use your brake flash lights to warn someone else
c. stop faster and move to one side of the road

A

use your brake flash lights to warn someone else

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47
Q

Perception distance is the distance since your vehicle travels to the time:

a. your eyes see a hazard, until the time your foot push the brake pedal
b. the brain tells your foot to push the brake pedal, until the time your foot push the pedal
c. your eyes see a hazard, until the time your brain recognizes it’s a hazard

A

your eyes see a hazard, until the time your brain recognizes it’s a hazard

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48
Q

Which of these is not a correct use of the vehicle lights?

a. turning on the lights during the day when the visibility is low because raining or snowing
b. turning on the brake flash lights to keep away someone from the back of your truck
c. turning on the brake flash lights to warn someone you are slowing down

A

turning on the brake flash lights to keep away someone from he back of your truck

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49
Q

You can find hazardous materials when see something on the container

a. color
b. shape
c. label

A

label

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50
Q

The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?

a. downshift to stop
b. continue varying your speed
c. stop driving as soon as you can safely do so

A

stop driving as soon as you can safely do so

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51
Q

Which of these is not a failure characteristic of front wheels:

a. turn with difficulty
b. twist the steering wheel
c. the back of the vehicle fishtail

A

the back of the vehicle fishtail

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52
Q

Which of these can be a signal of wheel failure?

a. vibration
b. slidden wheels
c. a strong whistle noise

A

vibration

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53
Q

You should apply the brakes to turn on the flashing lights of the brakes if:

a. you are almost ready to leave from the highway and you need to slow down
b. the driver behind you is too close to your back
c. a police car is approaching you in the other direction

A

you are almost ready to leave from the highway and you need to slow down

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54
Q

Which of these sentences about speed control is true?

a. you should choose a speed that allows you stopping for the distance ahead of you
b. empty trucks always stop
c. when you double your speed, it will take two times the distance to stop

A

you should choose a speed that allows you stopping for the distance ahead of you

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55
Q

When you drive in cold weather, the tire tread of the wheel should:

a. be verified every 100 miles or every two hours
b. give enough traction to turn and push the vehicle through snow
c. it must be double tire tread in normal weather

A

give enough traction to turn and push the vehicle through snow

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56
Q

When you are driving over a snowed street, you should slow down at least:

a. one third
b. one half
c. one quarter

A

one half

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57
Q

Which of these sentences about your vehicle is true?

a. if cargo in a van or box trailer catches on fire, you should open the cargo doors as soon as you can
b. a burning tire should be cooled with water
c. if your engine is on fire, you should open the hood as soon as you can

A

a burning tire should be cooled with water

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58
Q

Sometimes you must leave the street to avoid a emergency or a hazard, when you do this, you should keep in mind.

a. it could be impossible for you to come back to the highway because there is gravel on the shoulders
b. most of the shoulders are not strong enough to support the weight of large vehicles.
c. it is less dangerous driving toward the shoulder than risking a crash

A

it is less dangerous driving toward the should than risking a crash

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59
Q

You have started to move your vehicle. When you apply enough power to the drive wheels, they begin to skid, you should:

a. take your foot off the accelerator
b. take your foot off the accelerator and apply the brakes
c. try to use a lower shift gear

A

take your foot off the accelerator

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60
Q

The speed you are driving depends on:

a. your time
b. your visibility
c. what kind of engine

A

your visibility

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61
Q

If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:

a. go straight ahead but will turn if you turn the steering wheel
b. go straight ahead even if the steering wheel is turned
c. slide sideways and spin out

A

go straight ahead even if the steering wheel is turned

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62
Q

Stab braking should not be used in vehicles with:

a. hazardous materials
b. anti-lock brakes
c. trailers

A

anti-lock brakes

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63
Q

When you turn on a bus on a level ground with good traction, there is no need for:

a. slow acceleration
b. hand brake
c. wheel inspection

A

hand brake

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64
Q

Which of these is not true about engine belts in hot weather

a. loosen belts won’t turn the water pump and/or won’t fan correctly
b. you can verify the tighten of your belts when you push them
c. cracks may occur but this is not dangerous for your safety

A

cracks may occur but this is not dangerous for your safety

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65
Q

Which of these is the most important thing to remember about emergency braking?

a. never do it without downshifting first
b. disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking
c. if the wheels are skidding, you cannot control the vehicle

A

if the wheels are skidding, you cannot control the vehicle

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66
Q

Which of these emergency equipment pieces must be carried in your vehicle?

a. parking vehicles warning signs
b. first aids box
c. circuit breakers

A

parking vehicles warning signs

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67
Q

If your brakes fail on a steep downgrade, you should first:

a. wait until you find a scape ramp to exit from the road
b. watch out for your vehicle, and find another way to reduce your speed
c. hit something to slow down

A

watch out for your vehicle, and find another way to reduce your speed

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68
Q

When do you need to know how a fire extinguisher works?

a. only when a fire occurs
b. only when you carry flammable materials
c. before a fire occurs

A

before a fire occurs

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69
Q

What sentence is true about using retarders?

a. brakes used on a steep downgrade increases the engine brake effect
b. you should not use the retarder as the principal way of speed control
c. it creates extra heat between the brake shoes or pads and drums or disks

A

you should not use the retarder as the principal way of speed control

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70
Q

Should the brake adjustment be checked very often?

a. yes, because the brakes can be out of adjustment when you use them a lot
b. it depends on how new the brakes are
c. no, because the other brakes replace the brake that is out of adjustment

A

yes, because the brakes can be out of adjustment when you use them a lot

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71
Q

Which of these sentences about tires is true?

a. the air pressure of one tire decreases when the temperature of the tire increases
b. you should verify your tires every two hours or every 100 miles when you drive in hot weather
c. if the wheels are too hot to touch them, let 5-10 pounds of air pressure out to cool them

A

you should verify your tires every two hours or every 100 miles when you drive in hot weather

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72
Q

Your brakes can be wet when driving in heavy rain. What can this cause, when you apply the brakes?

a. the trailer of the truck can jackknife
b. hydroplaning
c. excessive brake fading

A

the trailer of the truck can jackknife

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73
Q

On your mirror you can see a car closer at the back of your vehicle. Next time you check your mirror, you don’t see that car. You want to change lanes. you should:

a. suppose the car leaves the road and change lanes as usually
b. wait to change lanes until you are sure the car is not at your blindspot
c. move slowly to next lane so the other car can move from your way if it is near you

A

wait to change lanes until you are sure the car is not at your blindspot

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74
Q

Where or how do you use cargo block?

a. from the upper cargo load, to the ground
b. loose around the cargo
c. in the front, back, and/or the cargo sides

A

in the front, back, and/or the cargo sides

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75
Q

Which of these things is a good thing to do when driving in the night?

a. look directly to the vehicles headlights in front of you briefly
b. keep your indicators lights high
c. keep your speed slow enough to stop at the distance of your headlights

A

keep your speed slow enough to stop at the distance of your headlights

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76
Q

Which of these sentences about backing a heavy vehicle is not true?

a. you should use a helper and communicate with him using hand signs
b. you should start backing and turn toward drivers side when it’s possible
c. because you cannot see, you should start backing slowly until you hit the curb

A

because you cannot see, you should start backing slowly until you hit the curb

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77
Q

You are driving a heavy truck with a manual transmission. You have to stop the truck on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade

a. let the vehicle roll straight backwards a few fee, before you engage, the clutch, but turn the steering wheel so the rear is far away from the road
b. keep the clutch slipping while slowly accelerating
c. use the parking brake to hold the vehicle until the clutch engages

A

use the parking brake to hold the vehicle until the clutch engages

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78
Q

You check the power steering and exhaust system, during a pre trip inspection. Which of these problems, if it happens, must be fixed before you start driving the vehicle?

a. oil in the tie rod
b. the steering wheel has a play of movement of 10 degrees (2 inches of a 20 inch steering wheel)
c. gray smoke leaves from the exhaust pipe

A

the steering wheel has a play of movement of 10 degrees (2 inches of a 20 inch steering wheel)

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79
Q

What happen to the tar over asphalt of the street during hot weather?

a. bled, making the surface of the street slippery
b. it gets gooey, making the wheels stick to the street
c. nothing, it was made for hot weather

A

bled, making the surface of the street slippery

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80
Q

Which of these is true about the use of drugs while you are driving?

a. prescription drugs are allowed if the doctor says the drugs won’t affect your safety and driving ability
b. prescription or no prescription drugs are not allowed at any time and for any reason
c. the amphetamine used as speed is allowed weather you use it to keep you awake

A

prescription drugs are allowed if the doctor says the drugs won’t affect your safety and driving ability

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81
Q

The purpose of retarders is

a. help prevent skids
b. apply extra power to non-drive axles
c. help slow down when you drive and reduce the fading of brakes

A

help slow down when you drive and reduce the fading of brakes

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82
Q

If you have a heavy cargo load who makes you go slowly down on a steeped upgrade you should:

a. leave the street until the traffic decreases
b. drive on the shoulder so other drivers can pass you easily
c. shift to a low gear

A

shift to a low gear

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83
Q

Which of these lights can’t be verified at the same time?

a. turn signals, stop lights, and four way flashers
b. turn signals, back lights, and clearance lights
c. headlights, stop lights and clearance lights

A

turn signals, stop lights, and four way flashers

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84
Q

You need to be very careful to keep your vehicle centered on the lane because, commercial vehicles:

a. require much more space to change lanes
b. move side by side
c. more often they are wider than other vehicles

A

require much more space to change lanes

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85
Q

Where must you keep the shipping papers when you transport hazardous materials?

a. in the door’s bag on the side of the drivers seat
b. under the drivers seat
c. in glove compartment, and it must be locked

A

in the door’s bag on the side of the drivers seat

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86
Q

Cargo load too long, too wide, and too heavy:

a. requires a special permit of transit
b. can be only driven during the day
c. must travel with police escort

A

requires a special permit of transit

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87
Q

When you are parking on the other side of the street at night, you should:

a. use your rear lights to warn other drivers
b. turn off your emergency warning equipment in 30 minutes
c. turn on your four way emergency flashers to warn others

A

turn on your four way emergency flashers to warn others

88
Q

When sunrise or sunset, rain or snow, it can be hard to see or be seen. You can make a signal to others that you are there when:

a. you turn on the lights inside the cab
b. you use your horn
c. you turn on your low beam headlights

A

you turn on your low beam headlights

89
Q

The total weight of the power unit, trailer, and the cargo is called

a. axle gross weight
b. vehicle gross weight
c. combination gross weight

A

combination gross weight

90
Q

Which of these sentences about drugs is true?

a. use of drugs can lead to accidents and/or arrest
b. a driver can use any prescription drug while driving
c. some prescription drugs are allowed to reduce fatigue

A

use of drugs can lead to accidents and/or arrest

91
Q

You should use your horn when:

a. you want to change lanes
b. it can help you to avoid a crash
c. one car is on your way

A

it can help you to avoid a crash

92
Q

When you are closer to a bridge on a two way lane, you should:

a. slow down to 25 mph over the bridge
b. verify the weight limit of the bridge
c. drive on the bridge center

A

verify the weight limit of the bridge

93
Q

How do you correct a rear wheel acceleration skid?

a. stop accelerating
b. apply more power to the wheels
c. shift into a lower gear

A

stop accelerating

94
Q

The engine brake is maximum when the engine is:

a. below the governors rpm’s and the transmission is in the high shift gears
b. close to the governors rpm’s and the transmission is in the lower shift gears
c. on the governors rpm’s and the transmission is in the lower shift gears

A

close to the governors rpm’s and the transmission is in the lower shift gears

95
Q

Which sentence is true?

a. many accidents of heavy vehicles occur between midnight and 6 am
b. most of the hazards are easier to see at night than during the day
c. most of the people are more alert during the night, rather than during the day

A

many accidents of heavy vehicles occur between midnight and 6am

96
Q

Which of these is true about bad weather and riving conditions

a. the streets are slippery while there is more rain
b. In low temperatures, the bridges will freeze before the streets
c. driving conditions are more dangerous when the temperature rises more than freezing point

A

in low temperatures, the bridges will freeze before the streets

97
Q

What vehicles will have more difficulty to keep on it’s lane during strong winds

a. one double with empty trailers
b. one triple axle vehicle loaded
c. one tractor pulling a full flatbed

A

one double with empty trailers

98
Q

What is counter steer?

a. using the steering axle brakes to prevent oversteering
b. turning the steering wheel against the clock wider
c. turning the wheel back in the other direction after steering to avoid a traffic emergency

A

turning the wheel back in the other direction after steering to avoid a traffic emergency

99
Q

The first thing to remember about cargo load is to keep it:

a. even in the cargo area
b. in the back area
c. in the front area

A

even in the cargo area

100
Q

When you approach the light, and it had been on green for a long time. Which is the best way to approach it?

a. start slowing down to be ready to stop
b. keep the same speed and check to see if the light changes
c. speedup to be sure you will cross the intersection

A

start slowing down to be ready to stop

101
Q

Which of these sentences about certain types of cargo is true?

a. Unstable loads such as hanging meat or livestock can require extra caution on curves
b. When liquids are hauled, the tank should always be filled completely full
c. oversize loads can be hauled without special permits during times when the roads are not busy

A

unstable loads such as hanging meat or livestock can require extra caution on curves

102
Q

What should you do if you think there is not enough space over your vehicle to pass?

a. look for another route where you don’t need to pass under it
b. slow down slightly and try to pass under it
c. guess the object height if there is no sign posted

A

look for another route where you don’t need to pass under it

103
Q

Which of these is a goo thing to remember when crossing or entering traffic with a heavy vehicle?

a. Heavy vehicles need larger gaps in traffic than cars
b. The best way to cross traffic is to pull the vehicle partway across the road and block one lane, while waiting for the other to clear
c. because heavy vehicles are easy to see, you can count on other drivers to move out of your way, or slow down for you

A

Heavy vehicles need larger gaps in traffic than cars

104
Q

Which of these is not something you should do if your headlights are not working right?

a. clean your headlights
b. adjust your headlights
c. let on your high beams

A

let on your high beams

105
Q

During a pre trip inspection you should check:

a. the battery liquid level would not help to avoid a fire
b. the cargo ventilation would not avoid a fire
c. the insulation would not help avoid a fire

A

the battery liquid level would not help to avoid a fire

106
Q

Optional security equipment can include emergency phone numbers, tire chains, and

a. a charged fire extinguisher
b. tire change equipment
c. reflective triangles

A

tire change equipment

107
Q

Which of these is not a retarder?

a. electric
b. hydraulic
c. robotic

A

robotic

108
Q

Which of these emergency equipment parts should be carried in your vehicle?

a. circuit breakers
b. first aid kit
c. warning devices for parking vehicles

A

warning devices for parking vehicles

109
Q

Why is it dangerous an exhaust system is broken?

a. it could cause fire pollution with the exhaust fumes
b. poison gas can enter into the cabin or the sleeper berth
c. strong noise could harm the driver’s ears

A

poison gas can enter into the cabin or the sleeper berth

110
Q

Which of these is not a brake inspection that you would make normally during your walk-round inspection?

a. brake adjust
b. leak from hydraulic brake cylinder
c. hoses conditions

A

brake adjust

111
Q

Tire chains:

a. they should be used only on drive wheels
b. they should always be available when you drive in winter weather
c. they never should be used on asphalt

A

they should always be available when you drive in winter weather

112
Q

Trucks and tractor drivers when transporting cargo must inspect the securement of the cargo within the first:

a. 25 miles of a trip
b. 50 miles of a trip
c. 10 miles of a trip

A

25 miles of a trip

113
Q

Which of these sentences about cargo loading is true?

a. state laws dictate legal weight limits
b. the legal maximum weight allowed by a state can be considered safe for all driving conditions
c. if cargo is loaded by the shipper, the driver is not responsible for overloading

A

state laws dictate legal weight limits

114
Q

Why can tourists be a hazard?

a. they often drive rented cars
b. they can drive slowly and stop suddenly or change lanes
c. officers don’t give tickets to them

A

they can drive slowly and stop suddenly or change lanes

115
Q

You don’t have a hazardous materials approbation in your commercial drivers license. They ask you to send hazardous materials in a placarded vehicle, you should:

a. transport the cargo, but only to the nearest place where a driver with a hazardous materials approbation can take your place
b. transport the cargo, but register a report with the department of transportation after the trip
c. refuse transporting the cargo

A

refuse transporting the cargo

116
Q

You are driving slowly a vehicle that could be driven safely at 55 mph on an open road, but the traffic is too heavy, moving at 35 mph with a speed limit of 55mph. The safe speed for your vehicle is probably

a. 25 mph
b. 35 mph
c. 45 mph

A

35 mph

117
Q

Retarders

a. can cause the drive wheels to skid when they have poor traction
b. allow you to disconnect the steering axle brakes
c. they cannot be used on interstate highways

A

can cause the drive wheels to skid when they have poor traction

118
Q

Implied consent means

a. that you can drink alcohol sometimes
b. that you have given your consent to be tested for alcohol in your blood
c. that you have given your consent for an alcohol vehicle inspection

A

that you have given your consent to be tested for alcohol in your blood

119
Q

A car suddenly moves in front of you, making a dangerous situation. Which of these actions should you not take?

a. turn on signals and change lanes to avoid it
b. slow down to prevent a crash
c. tap your horn and stay behind that car

A

tap your horn and stay behind that car

120
Q

In case of tire failure, the double tires:

a. will permit you to stop immediately
b. generally will avoid the rear of the vehicle fishtail
c. they can avoid vibrations or thumps

A

generally will avoid the rear of the vehicle fishtail

121
Q

When you stop on or by a one-way or divided highway, you should place reflective triangles to:

a. 10 feet, 100 feet and 200 feet toward the approaching traffic
b. 10 feet, 50 feet and 100 feet toward the approaching traffic
c. 10 feet, 100 feet and 50 feet toward the approaching traffic

A

10 feet, 100 feet and 200 feet toward the approaching traffic

122
Q

When looking ahead of your vehicle while driving you should look:

a. to the right side of the road
b. straight ahead all the time
c. back and forth, near and far

A

back and forth, near and far

123
Q

Scape ramps

a. they are assigned for slowing down the vehicles speed so they can return to the road at safe speed
b. they are not assigned for trucks or double trailers
c. they should be used by any driver who lost their vehicle braking power

A

they should be used by any driver who lost their vehicle braking power

124
Q

you are driving a new truck with a manual transmission. What gear will you probably have to use to take a long steep downhill grade?

a. the same gear you would use to climb the hill
b. a lower gear than you would use to climb the hill
c. a higher gear than you would use to climb the hill

A

a lower gear than you would use to climb the hill

125
Q

Which of these can be a sign of wheel failure?

a. a strong whistle noise
b. vibration
c. skidding wheels

A

vibration

126
Q

The space:

a. in front of your vehicle is the most important to manage
b. behind your vehicle is the most important to manage
c. besides your vehicle is the most important to manage

A

in front of your vehicle is the most important to manage

127
Q

you are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to stop?

a. twice the length of the vehicle
b. the length of a football field
c. half the length of a football field

A

the length of a football field

128
Q

Brake fade

a. can be caused by very cold weather
b. can be caused by the brakes getting very hot
c. can be corrected by letting up on the brakes 1-2 seconds and then putting them on again

A

can be caused by the brakes getting very hot

129
Q

What happens when the Blood Alcohol Concentration goes up?

a. judgement an self-control are affected
b. the alcohol effects increase
c. the ringer more clearly sees how alcohol is affecting them

A

judgement and self-control are affected

130
Q

You are driving a 40 foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?

a. 5 seconds
b. 4 seconds
c. 3 seconds

A

4 seconds

131
Q

For your safety, when setting out reflective triangles you should:

a. hold the triangles between yourself and oncoming traffic
b. hold the triangles to each side of your
c. keep them out of sight while you wold to the spots where you set them out

A

hold the triangles between yourself and oncoming traffic

132
Q

You should use your seat belt in a moving vehicle:

a. when you are driving only
b. on the highway only
c. all the time

A

all the time

133
Q

Which of these is not a risk of rough acceleration?

a. coupling damage
b. mechanical damage
c. tire damage

A

tire damage

134
Q

Which of these actions is not recommended on a left turn?

a. start on the inside lane and move toward the right while you turn
b. use the right lane if there are two turning lanes
c. start your turn from the center of the interseciton

A

start on the inside lane and move toward the right while you turn

135
Q

Which sentence is true?

a. most of the hazards are more easy to see in the night than during the day
b. many accidents of heavy vehicles occur between midnight and 6 am
c. most of the people are more alert during the night rather than during the day

A

many accidents of heavy vehicles occur between midnight and 6 am

136
Q

After you turn on the engine:

a. the coolant temperature should begin to gradually rise to normal operating temperature
b. the oil pressure gauge should rise between 3-5 minutes to normal level
c. the engine temperature gauge will take 3-5 minutes to reach normal level

A

the coolant temperature should begin to gradually rise to normal operating temperature

137
Q

To prevent fading brakes, you should

a. apply pressure to the brakes on a steep downgrades
b. choose a shift gear who keeps your vehicle at safe speed on steep downgrades
c. coast on steep downgrades

A

choose a shift gear who keeps your vehicle at safe speeds on steep downgrades

138
Q

When you double your speed, it will take approximately

a. twice as much distance to stop
b. four times as much distance to stop
c. three times as much distance to stop

A

four times as much distance to stop

139
Q

Placards must be:

a. placed only in front and rear of the vehicle
b. placed on four sides of the vehicle
c. placed on all vehicles carrying any amount of hazardous materials

A

placed on four sides of the vehicle

140
Q

What does help to keep the engine cool in hot weather?

a. driving faster to make more air pass through the radiator
b. making sure there is enough engine oil
c. working with the air conditioner

A

making sure there is enough engine oil

141
Q

What is the usual way for a commercial vehicle to make wide turns?

a. Wide-rounding
b. side wideing
c. off tracking

A

off tracking

142
Q

Which of these is correct about taking emergency actions or avoid a crash?

a. to turn fast, you must have hold of the steering wheel firmly
b. stopping is always the safe way to handle an emergency
c. generally you can stop faster than turn to avoid an obstacle

A

to turn fast, you must have hold of the steering wheel firmly

143
Q

You are checking your lights and suspension system during a pre trip inspection. Which of these is true?

a. spring hangers with cracks but well tied are not dangerous
b. only a leaf spring missing is not dangerous
c. the pedal must not have oil, grease or brake fluid

A

the pedal must not have oil, grease or brake fluid

144
Q

which is the most important reason to check the bus or truck?

a. security
b. avoid being fined
c. it’s the law

A

security

145
Q

A commercial vehicle

a. is not dangerous if it does not have to turn
b. is not dangerous if it has to reviews without a helper
c. is always dangerous

A

is always dangerous

146
Q

Which of these is not a good rule to follow when caring for the injured at an accident scene?

a. move severely injured person if there is danger
b. if a qualified person is helping you, who asks you for help
c. keep severely injured person under cool temperatures

A

keep severely injured person under cool temperature

147
Q

Which of these sentences about double clutching and shifting is true?

a. double clutching should only be used with a heavy load
b. you can use the tachometer to tell you the to shift
c. double clutching should not be used when the road is slippery

A

you can use the tachometer to tell you when to shift

148
Q

You should signal continuously when you turn, because:

a. most of the vehicles have turn signals that go off automatically
b. it is illegal to turn signals off before you complete your turn
c. you need both hands on the steering wheel to turn safely

A

you need both hands on the steering wheel to turn safely

149
Q

You are driving on a straight highway at 50 mph, there is no vehicles ahead of you, suddenly there is a tire blow out of your vehicle. What should you do first?

a. brake before the vehicle stops
b. start up braking smoothly
c. start up emergency braking

A

start up braking smoothly

150
Q

Most of the skids are because of

a. driving too fast for the driving conditions
b. an uneven load
c. make a turn too fast

A

driving too fast for the driving conditions

151
Q

the best drivers are those who keep alert to stop in case of any hazards

a. to be at defensive
b. at offensive
c. at preventive

A

to be at defensive

152
Q

The driver’s manual says, why should you limit the use of your horn.

a. you can startle other drivers
b. you should hold the steering wheel firmly with both hands all the time
c. the air brake vehicle can use air pressure that is necessary to stop[ the vehicle

A

a. you can startle other drivers

153
Q

For a first offense of driving a commercial vehicle under alcohol or drug influence, you will at least lose your cdl for:

a. 6 months
b. 2 years
c. 1 year

A

1 year

154
Q

When there is a vehicle fire, move the vehicles off the road and

a. keep the fire without letting it expand
b. extinguish the fire
c. call the emergency services

A

call the emergency services

155
Q

Which of these is true about checking your tires before a trip.

a. radial and bias-ply wheels can be used together in the same vehicle
b. 4/32 inches of tread depth of the tire is secure for the front wheels
c. Uneven wheels can be used in the same vehicle

A

4/32 inches of tread depth of the tire is secure for the front wheels

156
Q

You should try to park when

a. there is a curve next to your vehicle at least
b. your vehicle was protected by trees or other kind of hangin object
c. it can move forward when you go away

A

it can move forward when you go away

157
Q

What is the proper way to hold a steering wheel?

a. both hands close together, near the top of the wheel
b. both hands close together, near the bottom of the wheel
c. both hands on opposite sides of the wheel

A

both hands on opposite sides of the wheel

158
Q

Which of these sentences about brakes is true?

a. brake fading is not because of the heat
b. brake drums cool very quickly when the vehicle is moving very fast
c. the heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it

A

the heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it

159
Q

You should apply the brakes to turn on the flashing lights of brakes

a. a police car approaching to you by the other direction
b. the driver behind you is too close to your back
c. you are almost ready to leave from the road and you need to slow down

A

you are almost ready to leave from the road and you need to slow down

160
Q

If you have to make an inspection report of the vehicle you must sign it

a. only when defects are found and it is certified to be fixed
b. when any defect was found even if it was certified to be fixed or there is no need to be fixed
c. only when defects are found and certified for not fixed

A

when any defect was found even if it was certified to be fixed or there is not need to be fixed

161
Q

What is the first thing you should do, if the brakes fail on a steep downgrade

a. leave the street as soon as possible
b. try to use the parking brakes
c. call or use your brakes to ask for help

A

leave the street as soon as possible

162
Q

How does the vehicle weight affect when you stop?

a. empty trucks can take more distance to stop than full ones
b. the effect normally is not for passenger buses fully loaded
c. fully loaded buses take more distance to stop

A

empty trucks can take more distance to stop than full ones

163
Q
  • The drivers’s manual suggest many things to do when you pass a vehicle. Which of these is not true?
    a. tap slightly on the horn
    b. wait until the other driver can see you
    c. at night turn on your high beams before passing and keep them on until you were passed completely
A

wait until the other driver can see you

164
Q

A complete stop is required before a rail road cross when

a. the cargo kind requires the stop to be obligatory under federal or state regulations
b. there is not workers with warning signals flags on the cross
c. the cross is at the enter of the town or city with frequent traffic

A

the cargo kid requires the stop to be obligatory under federal or state regulations

165
Q

Strong winds affect driving more:

a. when coming out of tunnels
b. on very sharp curves
c. on open highways

A

when coming out of tunnels

166
Q

When the roads are slippery, you should

a. shorten the distance you see ahead of your vehicle
b. stop and test the traction while going up hills
c. make turns as gently as possible

A

make turns as gently as possible

167
Q

Stab braking

a. it should be used only with hydraulic brakes
b. involve to lock up the wheels for short times
c. it is used to keep your vehicle in a straight line if it becomes necessary

A

it is used to keep your vehicle in a straight line if it becomes necessary

168
Q

How far ahead of your vehicle should a driver look while driving?

a. 12 to 15 seconds
b. 5 t0 8 seconds
c. 1 to 2 seconds

A

12 to 15 seconds

169
Q

The medicines used to receive colds

a. should be used only when you drive during the day
b. still it can be used while you drive, if you take only the half of a regular dose
c. often makes the driver drowsy and for that reason it should not be used while driving

A

often makes the driver drowsy and for that reason it should not be used while driving

170
Q

To correct a drive-wheel braking skid, you should:

a. stop braking
b. stop braking, turn quickly and counter steer
c. increase braking, turn quickly and countersteer

A

stop braking, turn quickly and countersteer

171
Q

You don’t have hazardous materials endorsement on your commercial drivers license. You can drive a vehicle hauling hazardous materials when:

a. a person who has the hazardous materials endorsement rides with you
b. the gvwr is 26001 pounds or less
c. the vehicle does not require placards

A

the vehicle does not require placards

172
Q

What holds air pressure in the air brake system?

a. air compressor belt
b. water/pump belt
c. alternator belt
d. steering wheel belt

A

air compressor belt

173
Q

When you drive by working areas you should

a. turn your lights off
b. slow down only if the workers are near the road
c. be careful with potholes

A

be careful with potholes

174
Q

If you are forced to return to the road before you can stop on the shoulder, the best way to do this is:

a. drive on the shoulder until you get to the next exit and pull back into the road
b. using your mirrors and turn signals move sideline gradually towards the road
c. using your mirrors and turn signals, turn sharply enough to get right back on the road

A

using your mirrors and turn signals, turn sharply enough to get right back on the road

175
Q

Which of these occurs when a tire blows up at highway speed

a. a whistler
b. a vibration feeling
c. the speed decrease faster at least 20 mph

A

a vibration feeling

176
Q

Which of these is a hazard when you cross rail roads on ground roads

a. your tires may get stuck in the ground and you cannot cross the railroads
b. the ground under the rail road may not be stable
c. you can almost get stuck on the rail road

A

you can almost get stuck on the rail road

177
Q

What does “emergency braking” mean

a. push the brake pedal as hard as you can
b. use the emergency brake of the vehicle
c. respond to a hazard, slowing down the vehicle speed

A

respond to a hazard, slowing down the vehicle speed

178
Q

Which of these sentences about vehicle fires causes is true?

a. use of a fire extinguisher properly charged with help you to prevent a fire
b. improper trailer ventilation may cause the cargo to catch fire
c. wrong air pressure tires won’t cause a vehicle fire

A

improper trailer ventilation may cause the cargo to catch fire

179
Q

You are checking your tires for a pre trip inspection. Which of these is true?

a. radial and bias-ply tires can be used together on the same vehicle
b. rise mismatched sizes should not be used on the same vehicle
c. a tread depth of 2/32 inch is safe for the front tires

A

tires mismatched sizes should not be used on the same vehicle

180
Q

Which of these is specially true about your tires in hot weather?

a. you should check the rise mounting and air pressure before driving
b. release a little amount of air so the air pressure can keep constant
c. if a tire is too hot to be touched you should put water on it with a hose

A

you should check the rise mounting and air pressure before driving

181
Q

When you drive on the mountains, you need to use a lower gear to drive safely on the cliffs, It won’t affect your gear selection

a. type of tire tread
b. load weight
c. length of the cliff

A

type of tire tread

182
Q

Which of these are generally right when driving thru tunnels

a. speed is limited to 30 mph or less
b. headlights are required by law
c. there could be crosswinds

A

headlights are required by law

183
Q

The dry build merchandise tanks require special care because:

a. it can easily catch on fire
b. that load can get displaced (change of place)
c. can only be filled to the middle

A

that load can get displaced (change of place)

184
Q

What is hydroplaning

a. is less likely if tire pressure is low
b. it cannot happen
c. it can occur when driving through a puddle

A

it can occur when driving through a puddle

185
Q

You have been put out of service 24 hours, if your blood alcohol concentration is

a. any detectable amount
b. at least .04%
c. at least .02%

A

at least .04%

186
Q

You have to stop on a steep grade or curve on a two lane road and two ways, how far do you have to place warning devices so other drives can see your vehicle?

a. within 250 feet behind the vehicle
b. the necessary so that other drivers can see your vehicle
c. within 500 feet behind your vehicle

A

within 500 feet behind your vehicle

187
Q

When you turn on a bus on a level ground with good traction, there is no need of:

a. wheel inspection
b. hand brake
c. slow acceleration

A

hand brake

188
Q

You should avoid driving though deep puddles or flowing water, but if you have to do it. Which of these steps an help your brake working

a. turn on your brake heaters
b. applying hard pressure on both, the brake pedal and accelerator after coming out of the water
c. gently putting on the brakes while driving through the water

A

gently putting on the brakes while driving through the water

189
Q

Which of these is not a required knowledge for drivers needing the hazardous material endorsement

a. when using a placard
b. basic chemistry
c. what products can be loaded together

A

basic chemistry

190
Q

You need at least

a. 4/32 inches of tread depth on your front wheels
b. 2/32 inches of tread depth on your front wheels
c. 6/32 inches of tread depth on your front wheels

A

4/32 inches of tread depth on your front wheels

191
Q

Why is it important to make the right shift gear

a. keep the engine oil running
b. keep the vehicle controlled
c. keep the engine hot

A

keep the vehicle controlled

192
Q

If you have to cross toward the oncoming lane while you turn, you should

a. change to reverse to allow the approaching traffic to pass
b. complete your turn without stopping
c. watch for traffic coming towards you

A

watch for traffic coming towards you

193
Q

Which of these is true about on duty (service) time

a. you must rest after driving every 2 hours
b. you should balance your on duty (service) time with enough sleeping time to be alert
c. after working 1000 hrs of service time, you will be free of some regulations

A

you should balance your on duty (service) time with enough sleeping time to be alert

194
Q

You should use your mirrors to check

a. blind spots
b. if your lights are working correctly
c. where is the rear of your vehicle while turning

A

where is the rear of your vehicle while turning

195
Q

Tractor exhaust pipes

a. help avoid damage to vehicles
b. it can not be used by some kind of heavy trucks
c. they are not for buses

A

they are not for buses

196
Q

Which of these probably wouldn’t help if your windshield was covered with ice

a. scraper
b. defroster
c. brush

A

brush

197
Q

When you are driving in a very heavy fog, you should:

a. drive slowly to avoid being hit by other vehicles
b. drive with your low or high beams
c. stop on the rest area or truck stop, until the fog is light

A

stop on the rest area or truck stop, until the fog is light

198
Q

Shows a picture of a man looking at the tires, he is checking:

a. in front 2/32, if it’s safe
b. unlevel tires
c. the tires because the tire increase or decrease depends on the temperature

A

unlevel tires

199
Q

If your truck has a dual air brake system working correctly, and air tanks of minimum capacity the air pressure should build up form 85 psi to 100 psi in:

a. 30 seconds
b. 45 seconds
c. 60 seconds

A

45 seconds

200
Q

Which of these is not the correct time to put on the parking brakes

a. you are going to be parking by less than one hour
b. if you are going to check the parking brake to be sure that you can stop the vehicle
c. if the brakes are too hot, for example after going down on long steep downgrades

A

if the brakes are too hot, for example after going down a long steep downgrades

201
Q

During normal driving, the spring brakes are holding by:

a. air pressure
b. bolts
c. spring pressure

A

air pressure

202
Q

Which of these is a good thing to do when steering to avoid a crash

a. do not turn any more than needed to avoid it
b. apply the brakes while you turn
c. avoid countersteer

A

do not turn any more than needed to avoid it

203
Q

If you need to leave the road in a traffic emergency, you should

a. try to get all the wheels off the pavement
b. on the road sides the most of the shoulders cannot support large vehicles
c. avoid braking until your speed had dropped to about 20 mph

A

avoid braking until your speed has dropped to about 20 mph

204
Q

Which of these sentences about accelerating is true.

a. use the trailer brake when you start moving
b. rough acceleration can cause mechanical damage
c. you should feel a jerking movement if you are accelerating roughly

A

rough acceleration can cause mechanical damage

205
Q

Which of these is true about the radiator shutters and winter front on winter driving

a. the winter front must be closed tightly
b. ice must be cleaned of radiator shutters
c. the engine can overheat if you let the winter front open

A

ice must be cleaned of radiator shutters

206
Q

Which of these is not part of a motor behavior inspection, previous to a trip

a. a worn out isolation protection of the electrical cables
b. space between the valves
c. the level of the engine oil

A

space between the valves

207
Q

Which one is right about the adjustment of the mirrors.

a. you should adjust your mirrors before starting
b. the mirrors can be adjusted correctly even if the trailer is not straight
c. you can adjust your mirrors while driving

A

you should adjust your mirrors before starting

208
Q

A truck increases his speed in a cliff because:

a. gravity force
b. force of the load
c. the engine turns freely

A

gravity force

209
Q

Which of these is true about using a heater

a. if you feel drowsy, warming your cabin will keep you alert
b. you must have at least an extra heater, like a mirror heater, battery box cleaner, or a fuel tank heater, when driving under freezing temperatures
c. when driving in winter weather, you should check that the heater is working properly before you start driving

A

when driving in winter weather, you should check that the heater is working properly before you start driving

210
Q

Convex mirrors

a. make things look closer than what they really are
b. show a wider area than flat mirrors
c. make things look larger than what they really are

A

show a wider area than flat mirrors

211
Q

Which of these is true about hazardous materials?

a. any hazardous material presents a threat for safety and health
b. any public road allows trucks hauling hazardous materials, if they are loaded correctly
c. any truck hauling any amount of hazardous materials must have placards

A

any hazardous material presents a threat for safety and health

212
Q

To prevent a collision, you had to drive toward the right shoulder. You are driving at 40 mph on a side of the road. How should you get back into the road.

a. if the shoulder is free, stay on it until your vehicle stops. then go back on the asphalt when it’s safe
b. put foot on the brakes strongly to slow down your vehicle, then turn sharply into the asphalt
c. keep the same speed and turn very gently back into asphalt

A

if the shoulder is freezing, stay on it until your vehicle stops. then go back on the asphalt when it’s safe

213
Q

When crossing rail road, which could get trailers stuck?

a. double rail
b. you could change gears to cross railroad
c. when you cross fast

A

double rail

214
Q

Who is responsible for the cargo load when it is overweight?

a. the driver
b. the carrier
c. the merchandise owner

A

the merchandise owner

215
Q

What alcohol percentage cyst the driver have to be put out of service?

a. any percent
b. 0.2%
c. 0.1%

A

any percent

CLP / CDL-A (7 decks)

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