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CDL > Safe driving > Flashcards

Safe driving Flashcards

1
Q

Is the Department of Transportation, the mechanic, the driver, or the trucking company responsible for making sure that a truck is safe to be in the road for the driver and the other drivers on the road?

A

The driver.

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2
Q

A driver should inspect their vehicle before the trip, again during breaks, and again after the trip?

A

True.

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3
Q

How much tread is required on tires?

A

For every major tire groove, 4/32 on front (steering) tires, and 2/32 on remaining tires.

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4
Q

What are three emergency equipments that should be in every CMV?

A

Fire extinguisher, spare electrical fuses, and three reflective warning triangles.

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5
Q

Any part of the suspension system that is cracked, broken, missing, out of place, or leaking is dangerous and serious?

A

True.

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6
Q

When are regrooved, retreaded, or recapped wheels allowed on the front wheels of a bus?

A

Never allowed.

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7
Q

What does rust on the lug nuts mean?

A

This can be a sign that they are loose.

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7
Q

Rims with welding repairs are allowed?

A

False.

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8
Q

What are two things to quickly check from a distance when verifying the general condition of the truck?

A

If the truck is leaning or leaking.

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9
Q

Checking the engine oil level, coolant level, and belts and hoses are all part of the pre-trip inspection?

A

True.

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10
Q

During the pre-trip inspection, what two things should be done immediately before turning on the engine to listen for unusual noises?

A

Double check parking break, and then make sure transmission is in neutral.

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11
Q

All controls should be checked for what?

A

Check all the controls for looseness, sticking, damage, or improper settings.

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12
Q

What is the purpose of the pre-trip inspection?

A

To make sure your truck is safe to drive by inspecting for some possible causes of breakdown or crash.

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13
Q

Oil, cooling, and charging circuit lights should go out how long after the truck starts?

A

Right away.

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14
Q

How long should it take oil pressure to come up to normal?

A

Within seconds.

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15
Q

How should you test hydraulic brakes for leaks before driving?

A

If the vehicle has hydraulic brakes, pump the brake pedal three times. Then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.

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16
Q

What three things should you do to reverse safely?

A

Get out and look at the path first, always back towards the driver side, and use a helper whenever possible.

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17
Q

Most good drivers look how far ahead?

A

12 to 15 seconds.

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18
Q

Should you help out other drivers by signaling when it is safe for them to pass?

A

No, never.

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19
Q

How should warning reflectors be placed on the road on a 2-lane road?

A

Within 10 feet of the front or rear corners to mark the location of the vehicle and 100 feet behind and ahead of the vehicle, on the shoulder or in the lane you are stopped in.

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20
Q

When you double your speed, it requires how much more distance to stop?

A

Four times more.

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21
Q

When your tires lose contact with the road due to flooded water, what is this called?

A

Hydroplaning.

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22
Q

How long does it take to stop at 55 MPH from the time your brain first sees a reason to stop?

A

419 feet.

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23
Q

How much space should you leave in front of your truck while driving under 40 mph?

A

One second of space for every 10 feet of truck.

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24
Q

Should you swing wide left when you START making a right turn?

A

No, keep the rear of your vehicle near the curb as you go left to box out other drivers before very slowly completing the right turn.

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25
Q

From where in the intersection and in what lane should you start a left turn?

A

From the center of the intersection and if there are two left lanes, use the right one because you have better visibility to your left.

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26
Q

A heavier truck accelerates slower, so leave more room to cross intersections when traffic is coming?

A

True.

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27
Q

What distance do low beam and highbeam headlights reach?

A

About 250 feet and 500 feet.

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28
Q

Turn off your highbeams when oncoming traffic is how close?

A

500 feet away.

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29
Q

When should you avoid driving in fog?

A

Whenever possible.

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30
Q

To prevent the engine from overheating, snow and ice must be removed from what equipment as it builds up?

A

The radiator.

31
Q

You should drive beside other cars during slippery conditions?

A

False.

32
Q

A radiator cap should never be removed until when?

A

The engine has cooled off, so the radiator will not explode boiling water all over the person who opens it.

33
Q

Special attention must be taken during hot weather to inspecting oil temperature, hoses and belts, tire temperature, and coolant temperature?

A

True.

34
Q

You should shift on railroad tracks to help get across faster?

A

False.

35
Q

Double tracks can lead to one train hiding another train which can be deadly?

A

True.

36
Q

What is brake fade?

A

When brakes overheat and don’t work as well.

37
Q

When coming down a long, steep grade, what should be the main method of controlling your speed?

A

The braking action of the engine. Save your brakes for when traffic requires brakes for stopping or slowing.

38
Q

You always should shift into a lower gear before starting down a hill, and never after you’re already on the downhill?

A

True.

Some engines will not allow the downshift on the downhill, so you won’t be able to engine break, leading to possible brake failure and death.

39
Q

Big trucks are not affected by sharp pavement drop-offs by the edge of the road?

A

False. Big trucks are tall, and the tilt can cause the top of the truck to knock down signs and crash into poles.

40
Q

A combination of braking and turning make offramps and onramps especially dangerous, so you should always drive them extra slow to avoid an unexpected accident?

A

True.

41
Q

If you cannot see the driver of another vehicle in your mirror, then can that driver see you?

A

No.

42
Q

You should flash your lights or honk at pedestrians to get their attention?

A

False.

43
Q

An open window in bad weather, drifting around, and stopping at the wrong time are all signs of an impaired driver?

A

True.

44
Q

Clues for a confused driver include hitting their brakes often, stopping in the middle of the intersection, and driving very slowly?

A

True.

45
Q

Tourist may have out-of-state license plates. This is a clue that they may be which category of hazardous drivers?

A

Confused drivers.

46
Q

When you must turn or swerve very quickly, you should not also hit the brakes?

A

True, do not hit the brakes until the quick turn or swerve is completed.

47
Q

When steering in an emergency, which direction should you swerve or turn if you’re unsure?

A

To the right.

48
Q

What are three things to do if you lose pressure in your hydraulic brakes?

A

Downshift, pump the brakes, and use the parking brake.

49
Q

What is a jackknife?

A

A jackknife is when during a drive wheel skid, a vehicle with a trailer can be pushed sideways by the trailer.

50
Q

What should you never do during a tire failure, especially a front wheel failure?

A

Never use the brakes hard or fast.

51
Q

To stop a drive wheel (rear wheel) skid, do what?

A

Take your foot off the brake and countersteer if it’s a braking skid.

Take your foot off the accelerator if it’s an acceleration skid.

52
Q

How do you stop a front wheel skid where steering is limited to going straight?

A

Stop braking or turning so hard.

53
Q

You should use water to put out fuel and electrical fires?

A

False. Never.

54
Q

What letter designation should a fire extinguisher have that is needed for electrical fires?

A

One of the letters should be C.

55
Q

What letter designation should a fire extinguisher have that is needed for paper, wood, and cloth fires?

A

One of the designated letters should be A.

56
Q

What does BAC stand for?

A

Blood Alcohol Concentration.

57
Q

What three factors determine your BAC?

A

How much you weigh, how fast you drink, and how much you drink.

58
Q

A shot of liquor, a glass of beer, and a glass of wine all have about the same amount of alcohol?

A

True.

59
Q

Retarders apply their braking power when the driver does what?

A

Fully lets off the accelerator.

60
Q

Most large commercial trucks require what clutch technique to change gears?

A

Double clutching.

61
Q

What is the average time for a tractor-trailer to cross a single railroad track?

A

14 seconds.

62
Q

Who is responsible for fixing items that the driver notes needing repair on the pre-trip inspection report?

A

The carrier.

63
Q

Service brakes should be tested at what speed?

A

Around 5 MPH.

64
Q

In fog, you should not use your high-beams, and you should not stop along the side of the road?

A

True.

65
Q

When a qualified person is available to help injured people during a crash, what should the driver do?

A

Stay out of the way unless asked to assist.

66
Q

What is the purpose of ABS?

A

To keep the vehicle under control by preventing the wheels from locking during hard (emergency) braking.

67
Q

Does ABS help a vehicle stop faster?

A

No, and that is not the purpose of ABS.

68
Q

What does ABS stand for?

A

Anti-lock braking system.

69
Q

What are the two main rules of fire extinguisher usage?

A

Stay as far away from the fire as possible, and aim at the base of the fire.

70
Q

What are hazardous materials?

A

Materials that pose a risk to health, safety, or property during transportation.

71
Q

When going down a steep hill, your brakes should only be a supplement to the engine braking effect being the main thing slowing you down?

A

True.

72
Q

To supplement engine braking slowing you down on a long, steep hill, brakes should be applied intermittently to lower speed 10 MPH every time the speed increases to the safe speed?

A

False, 5 MPH, not 10 MPH.

73
Q

In what lane should a CMV finish a left turn?

A

In the lane, directly to the right of the center line.

74
Q

In what lane should a CMV finish a right turn?

A

The right-most (curb) lane.

75
Q

“Unsafe coasting” occurs when your vehicle is out of gear for more than the length of your vehicle?

A

True.

76
Q

When stopping behind another vehicle, where should you stop to leave a safe gap?

A

Stop where you can see the rear wheels of the vehicle in front of you.

CDL (15 decks)

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