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cdl > CDL General Knowledge Permit Test > Flashcards

CDL General Knowledge Permit Test Flashcards

1
Q

If you do not have a CB radio, what is the 1 thing you should do at an accident scene?

A. Protect the area
B. Notify authorities
C.Care for the injured

A

A

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2
Q

Which of these is true about mirror adjustment?

A. You should adjust your mirrors prior to starting a trip
B. You can adjust your mirrors while driving
C. The mirrors can adjust correctly even if the trailer is not straight

A

A

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3
Q

Brake Fade:

A. Can be caused by the brakes getting very hot
B. Can be corrected by letting up on the brakes for 1 or 2 seconds then reapplying them
C. Can be caused by very cold weather

A

A

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4
Q

On which fires can water be used?
A. Electrical
B. Gasoline
C. Tires

A

C

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5
Q

Which of these statements about engine overheating is true?
A. You should never shut off an overheated engine until it has cooled
B. You should never remove the radiator cap on a pressurized system until it has cooled
C. Antifreeze is not needed when the weather is warm

A

B

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6
Q

Which of these is not a danger of rough acceleration?

A. Tire damage
B. Mechanical Damage
C. Damage to the coupling

A

A

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7
Q

Which of these is true about the use of heater?

A. When driving in winter weather you should check that the heater is working properly
B. You must have at least 1 extra heater, such as the mirror heater or bunk heater, when driving in winter weather
C. You feel sleepy, warming the cab with the heater will help you stay alert

A

A

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8
Q

What is the proper way to hold the steering wheel?

A. With both hands close together, at the top of the wheel
B. With both hands close together, at the bottom of the wheel
C. with both hands firmly, on opposite sides of the wheel

A

C

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9
Q

If you have a heavy load that is slowing you down on an upgrade you should

A. Shift into a lower gear
B. Exit the road until traffic is lighter
C. Drive on the shoulder so others can pass easily

A

A

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10
Q

Which of these is not a danger when an automatic transmission is forced into a low gear at high speeds?

A. Damage to the transmission
B. Loss of engine braking effect
C. Loss of steering control

A

C

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11
Q

If possible, a helper should be used to help your vehicle?

A. Only when your vehicle is pulling a trailer
B. Only when your vehicle has to back on a curved path
C. Whenever you have to back

A

C

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12
Q

When looking ahead of your vehicle while driving you should look

A. Straight ahead at all times
B. To the right side of the road
C. Back and forth, near and far

A

C

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13
Q

How far ahead of the vehicle should the driver look while driving?

A. 5-8 seconds
B. 12-15 seconds
C. 2-5 seconds

A

B

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14
Q

Which of these is the proper way to signal to change lanes?

A. Signal just as you begin to change lanes and drift over slowly
B signal early and change lanes slowly and smoothly
C signal before you change lanes and move over quickly

A

B

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15
Q

Which of these is the proper way to signal to change lanes?

A. Signal just as you begin to change lanes and drift slowly
B. Signal early and change lanes slowly and smoothly
C. Signal before you change lanes then move over quickly

A

signal early and change lanes slowly and smoothly

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16
Q

You should signal continuously while turning because

A. You need both hands on the wheel to turn safely
B. It is illegal to turn off your signal before complete in a turn
C. Most vehicles have self cancelling signals

A

A

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17
Q

The primary cause of fatal crashes is

A. Driving to fast
B. Driving while eating
C. Driving at night

A

A

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18
Q

You should try to park so that

A. You can pull forward when you leave
B. There is at least 1 curb next to your vehicle
C. Your vehicle is protected by trees or some other overhand

A

A

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19
Q

You are driving a vehicle at 45 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?

A. Twice the length of the vehicle
B. Half the length of a football field
C. The length of a football field

A

C

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20
Q

When driving at night, you should use your low beams when oncoming vehicle writhing

A. 300 feet
B. 400 feet
C. 500 feet

A

C

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21
Q

You are driving in an area with few streetlights on a clear night. If you cannot see well with your headlights which of these actions would help?

A. Turn your interior light on and adjust your instruments lights up
B. Find another route that is better lit, even if it is out of you way
C. Use your high beams when legal and keep your interior light off

A

C

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22
Q

What happens to tar in road pavement when it gets extremely hot

A. It becomes gummy, making tires stick to the road
B. It bleeds, making the road surface slippery/
C. Nothing, it is made for hot weather

A

B

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23
Q

What is the best advice for drivers when a heavy fog occurs

A. Park at a truck stop or rest area until the fog has lifted
B. Do not drive too slowly, or other drivers may hit you
C. Alternate your low and high beams to improve your vision

A

A

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24
Q

Which of these statements about cold weather driving is true?

A. An engine cannot overheat when the weather is very cold
B. Windshield washer antifreeze should be used
C. Exhaust system leaks are less dangerous in the cold

A

B

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25
Q

Strong winds most affect driving

A. Around sharp curves
B. An open highway
C. Upon exiting tunnels

A

C

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26
Q

Perception distance is the distance your vehicle travels from the time

A. The eyes see a hazard to the time the foot hits the brake pedal
B. The brain tells the foot to push the brake pedal to the time the foot responds
C. The eyes see a hazard to the time the brain knows it is a hazard

A

C

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27
Q

You are driving on a two lane road. An oncoming driver drifts into your lane headed straight for you. Which of these is the most often the best action to take?

A. Hard braking
B. Steer to the right
C. Steer onto the left shoulder

A

B

28
Q

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

A. It may be a slow moving vehicle
B. The vehicle is hauling hazardous materials
C. It is being driven by a student driver

A

A

29
Q

Hydroplaning

A. Only occurs with a lot of water
B. Cannot over when driving through a puddle
C. Is more likely when tire pressure is low

A

C

30
Q

What should you do when your vehicle hydroplanes?

A. Start stab braking
B. Release the accelerator
C. Accelerate lightly

A

B

31
Q

In the event of a rear failure, dual rear tires

A. May prevent vibration or thumping
B. Will usually prevent fishtailing
C. Will allow you to brake immediately

A

B

32
Q

Which of these is correct about emergency or evasive action?

A. Stopping is always the safest thing to do in an emergency
B. In order to turn quickly you must have a firm grip on the steering wheel
C. You can usually stop more quickly than you can turn to miss an obstacle

A

B

33
Q

Most serious skids result from

A. Turning too sharply
B. An uneven load
C. Driving to fast for conditions

A

C

34
Q

Over the length, over width or over weight loads

A. Must be escorted by police
B. Require a special transit permit
C. Can only be driven in the daylight

A

B

35
Q

Containerized loads

A. Should come with their own tie down devices or locks
B. Are generally used when freight is carried part way by rail or ship
C. Do not require inspection or securing by the driver

A

B

36
Q

Which of these statements about an inspection of suspension components is true?

A. Distorted coil springs are safe as long as they are not broken
B. Axle mounts should be checked at each point where they are secured on the vehicle frame and axle
C. Suspension components should be checked on all axles expect for the power unit

A

B

37
Q

Should brake adjustment by checked often?

A. You because brakes can get out of adjustment when they are used a lot
B. It depends on how new the brakes are
C. No, because the other brakes will make up for a brake that is out of adjustment

A

A

38
Q

Which of these is not part of the pre-trip inspection of the engine compartment?

A. Engine oil level
B. Valve clearance
C. Worn electrical wiring insulation

A

B

39
Q

A full stop is required at a railroad grade crossing when?

A. The nature of the cargo makes a stop mandatory under state, or for incompatible items
B. The crossing is located in a city or town with frequent train traffic
C. There are not flag men, warning signals, or gates at the crossing

A

A

40
Q

You do NOT have a hazard materials endorsement on your commercial drivers license. You can drive a vehicle hauling hazardous materials when?

A. The GVWR is 26,001 pounds or less
B. The vehicle does not require placards
C. A person who has the hazardous materials endorsement rides with you

A

B

41
Q

You are driving a heavy vehicle with a Manuel transmission. You have to stop the vehicle on the boulder 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. Keep the clutch slipping while slowly accelerating
B. Use the parking brake to hold the vehicle until the clutch engages
C. Let the vehicle roll backwards a few feet before you engage the clutch but turn the wheel so that the back moves away from the roadway

A

B

42
Q

If your brakes fail on a downgrade, you must first

A. Look outside your vehicle for another means of slowing it
B. Hit some object in order to stop your vehicle
C. Wait until you find an escapee ramp to exit the roadway

A

A

43
Q

To help you stay alert while driving you should

A. Take short breaks before you get drowsy
B. Schedule trips for the hours you are normally asleep
C. Keep the cab warm and quiet

A

A

44
Q

Which of the following is a good way to react to an aggressive driver?

A. Smoke a cigarette to relax
B. Change the CD or have a snack
C. Give the driver the benefit of the doubt

A

C

45
Q

If you must use a cell phone while driving you should

A. Reduce your speed
B. Pull off the road onto a safe and legal postion
C. Postion the phone so you can drive and see the road in front of you

A

B

46
Q

Which of these statements about staying alert to drive is true?

A. A half hour coffee break will do more to overcome fatigue than a half hour nap
B. If you must stop to take a nap, it should be at a truck stop or rest area, never on the side of the road
C. Sleep is the only thing that can overcome fatigue

A

C

47
Q

Medicines used to treat the common cold?

A. Can still be used while driving if you only take half the dose
B. Should only be used when driving in the daytime
C. Often makes you drowsy and thus should not be used while driving

A

C

48
Q

Which of these statements about drugs is true?

A. A driver can use any prescription drug while driving
B. Use of drugs can lead to accidents and or arrest
C. Certain prescription drugs are allowed to reduce fatigue

A

B

49
Q

Which of these statements about causes of vehicle fires is true?

A. Under inflated tires will not cause a fire
B. Carrying a properly charged fire extinguisher will help prevent a fire
C. Poor trailer ventilation can cause cargo to catch on fire

A

C

50
Q

What will help keep an engine cool in hot weather?

A. Driving faster to force more air into the radiator
B. Running the air conditioner
C. Making sure the engine has the right amount of oil

A

C

51
Q

Which of these statements about marking a stopped vehicle is true?

A. If a hill or curve keeps others from seeing the vehicle within 500 feet, the rear triangle should be moved back down the road to give adequate warning
B. The vehicles taillights should be kept on to warn other drivers
C. You must put out your warning devices within 5 minutes

A

A

52
Q

Which of these do not provide extra gears on some trucks?

A. Automatic transmissions
B.. auxiliary transmissions
C. Multi-speed rear axles

A

A

53
Q

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

A. Use the right lane if there are 2 turning lanes
B. Start your turn from the center of the intersection
C. Start in the inside lane and swing right as you turn

A

C

54
Q

What is counter steering?

A. Turning the wheel counter clockwise
B. Using the steering axle brakes to prevent over steering
C. Turning the wheel back in the opposite direction after steering to avoid an emergency

A

C

55
Q

Which of these statements about downshifting is true?

A. When you downshift for a curve you should do so before you enter the curve
B. When double clutching, you should let the RPMs decrease while the clutch is released and the truck is in neutral
C. When you downshift for a curve you should do so after you enter the curve

A

C

56
Q

Why is it important to shift gears correctly?

A. Keep control of the vehicle
B. Keep the engine warm
C. Keep the engine oil flowing

A

A

57
Q

Backing a commercial vehicle is

A. Always dangerous
B. Not dangerous if you have a helper
C. Not dangerous if you do not have to turn

A

A

58
Q

The distance you should look ahead of your vehicle while driving is highway speed Of a mile at

A. 1/3
B. 1/4
C. 1/2

A

B

59
Q

You are driving a heavy vehicle. You must exit a highway using an off ramp that curves downhill. You should

A. Slow down to a safe speed before the curve
B. Slow to the posted speed limit for the curve
C. Wait until you are in the curve before downshifting

A

A

60
Q

When you are driving on a snow packed road you should reduce your speed by at least

A. 4
B. 1/3
C. 1/2

A

C

61
Q

Merging onto a road is safest if you

A. Inch over into the nearest lane so that other vehicles will give you room
B. Gain speed on the shoulder and then merge
C. Wait for a large enough gap in traffic to enter the road

A

C

62
Q

If you are being tailgated you should

A. Flash your brake lights
B. Increase your following distance ‘
C. Signal the tailgater when it is safe to pass

A

B

63
Q

What should you do if a car coming toward you

A
64
Q

If you are being tailgated you should

A. Flash your brake lights
B. Increase your following distance
C. Signal the tailgater when it is safe to pass

A

B

65
Q

What should you do if a car coming toward you at night keeps its high beams on?

A. Flash your high beams at the other driver
B. Look at the right side of the road ‘
C. Slow down and look straight ahead in your lane

A

B

66
Q

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

A. Stop driving as soon as you can safely do so
B. Downshift to stop
C. Keep varying your speed by accelerating and braking

A

Stop driving as soon as you can safely do so

cdl (3 decks)

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