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CDL Training > CDL QUIZ General Knowledge > Flashcards

CDL QUIZ General Knowledge Flashcards

1
Q

1. What is the most important reason for doing a vehicle inspections?

A

Safety is the most important reason

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2
Q
  1. What things should you check during a trip?
A

Tires, wheels and rims. Brakes, Lights and relfectors, Brake and electrical connections to trailer, Trailer coupling devices, Cargo securement, devices

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3
Q
  1. Name some key steering system parts.
A

Steering Wheel, Tie Rod, Gear Box, Drag link, Spindle, Sterring Shaft, Pitman Arm

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4
Q
  1. What three kinds of emergency equipment must you have?
A

Fire extinguisher, Spare electrical fuses, Warning Devices (warning triangles)

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5
Q
  1. What is the minimum tread depth for front tire? For other tires?
A

You must have at least 4/32 inch on front tires and 2/32 inch of other tires

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6
Q
  1. Name some things you should check on the front of your vehicle during the walk around inspection.
A

Front axle, steering system, windsheild, lights & reflectors

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7
Q
  1. What should wheel bearing seals be checked for?
A

leaks

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8
Q
  1. How many red reflective triangles should you carry?
A

Three (3)

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9
Q
  1. How do you test hydraulic brakes for leaks?
A

Pump the brake three times, then hold the brake for five seconds

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10
Q
  1. Why put the starter switch key
A

Prevent theft during inspection

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11
Q

Why should you back toward the driver’s side?

A

Easier for to see

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12
Q

If stopped on a hill, how can you start moving without rolling back?

A

Lightly release clutch to prevent rollback or use the handbreak

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13
Q

When backing, why is it important to use a helper?

A

you cannot see everything behind your vehicle

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14
Q

What’s the most important hand signal that you and the helper should agree on?

A

Stop

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15
Q

What are the two special conditions where you should downshift?

A

Before starting downhill, before entering a curve

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16
Q

When should you downshift automatic transmissions?

A

Before starting downhill to take advantage of engine breaking power

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17
Q

Retarders keep you from skidding when the road is slippery. True or False?

A

FALSE

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18
Q

What are the two ways to know when to shift?

A

Tachometer and the Speed Limit

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19
Q

How far ahead does the manual say you should look?

A

12 to 15 seconds

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20
Q

What are two main things to look for ahead?

A

vehicles coming onto the highway, into your lane, or turning. Brake lights from slowing vehicles.

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21
Q

What’s your most important way to see the sides and rear of your vehicle?

A

Check your mirrors regularly.

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22
Q

What does “communicating” mean in safe driving?

A

Signaling what you intend to do

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23
Q

Where should you place reflectors when stopped on a divided highway?

A

place warning devices 10 feet, 100 feet, and 200 feet toward the approaching traffic

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24
Q

What three things add up to total stopping distance?

A

Perception Distance + Reaction Distance + Braking Distance = Total Stopping Distance

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25
Q

If you go twice as fast, will your stopping distance increase by two or four times?

A

Four times

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26
Q

Empty trucks have the best braking. True or False?

A

FALSE

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27
Q

What is hydroplaning?

A

like water skiing– the tires lose their contact with the road and have little or no traction.

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28
Q

What is “black ice”?

A

Black ice is a thin layer that is clear enough that you can see the road underneath it.

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29
Q

How do you find out how many seconds of following distance space you have?

A

wait until the vehicle ahead passes a shadow on the road, a pavement marking, or some other clear landmark. Then count off the seconds

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30
Q

If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you allow?

A

Four

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31
Q

You should decrease your following distance if somebody is following you too closely. True or False?

A

FALSE

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32
Q

If you swing wide to the left before turning right, another driver may try to pass you on the right. True or False?

A

TRUE

33
Q

What is a hazard?

A

A hazard is any road condition or other road user (driver, bicyclist, pedestrian) that is a possible danger.

34
Q

Why make emergency plans when you see a hazard?

A

You will have more time to act if you see hazards before they become emergencies.

35
Q

What are some tips to follow so you won’t become a distracted driver?

A

Turn off all communication devices; Do not type or read a text message; Adjust all vehicle controls and mirrors to your preferences prior to driving..

36
Q

How do you use in-vehicle communications equipment cautiously?

A

If you must use a mobile phone, make sure it is within close proximity, that it is operable while you are restrained, use an earpiece or the speaker phone function, use voice-activated dialing; or use the hands-free feature

37
Q

How do you recognize a distracted driver?

A

Watch for: Vehicles that may drift over; Vehicles traveling at inconsistent speeds; Drivers who are preoccupied; Drivers who appear to be involved in conversations with their passengers

38
Q

What is the difference between aggressive driving and road rage?

A

Aggressive driving is operating without regard for others;Road rage is operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle

39
Q

What should you do when confronted with an aggressive driver?

A

Give the as much space as possible

40
Q

What are some things you can do to reduce your stress before and while you drive?

A

Listen to Music; Give other drivers the benefit of the doubt; etc.

41
Q

You should use low beams whenever you can. True or False?

A

TRUE

42
Q

What should you do before you drive if you are drowsy?

A

the only safe cure is to get off the road and get some sleep.

43
Q

What effects can wet brakes cause? How can you avoid these problems?

A

can cause lack of braking power, wheel lockups, pulling to one side or the other, and jackknife if you pull a trailer.

44
Q

You should let air out of hot tires so the pressure goes back to normal. True or False?

A

False Do not let air out or the pressure will be too low when the tires cool off.

45
Q

You can safely remove the radiator cap as long as the engine isn’t overheated. True or False?

A

False. Never remove the radiator cap or any part of the pressurized system until the system has cooled

46
Q

What factors determine your selection of a “safe” speed when going down a long, steep downgrade?

A

Your most important consideration is to select a speed that is not too fast for the: Total weight of the vehicle and cargo; Length of the grade; Steepness of the grade; Road conditions; & Weather.

47
Q

Why should you be in the proper gear before starting down a hill?

A

You must use the braking effect of the engine as the principal way of controlling your speed.

48
Q

Describe the proper braking technique when going down a long, steep downgrade.

A

1.Apply the brakes just hard enough to feel a definite slowdown. 2. When your speed has been reduced to approximately five mph below your “safe” speed, release the brakes. 3.When your speed has increased to your “safe” speed, repeat steps 1 and 2.

49
Q

What type of vehicles can get stuck on a railroad-highway crossing?

A

Low slung units (lowboy, car carrier, moving van, possum-belly livestock trailer). Single-axle tractor pulling a long trailer with its landing gear set to accommodate a tandem axle tractor.

50
Q

How long does it take for a typical tractor-trailer unit to clear a double track?

A

15 seconds

51
Q

Stopping is not always the safest thing to do in an emergency. True or False?

A

TRUE

52
Q

What are some advantages of going right instead of left around an obstacle?

A

Avoids oncoming traffic

53
Q

What is an “escape ramp?”

A

An emergency exit of out of control vehicles

54
Q

If a tire blows out, you should put the brakes on hard to stop quickly. True or False?

A

FALSE

55
Q

How do you know if your vehicle has antilock brakes?

A

Indicator Lamps

56
Q

What is the proper braking technique when driving a vehicle with antilock brakes?

A

Drive as usual, normal

57
Q

How do antilock brakes help you?

A

ABS helps you avoid wheel lock up and maintain control.

58
Q

What are some things to do at an accident scene to prevent another accident?

A

Clear space for emergency vehicles

59
Q

Name two causes of tire fires.

A

Under-inflated tires and duals that touch.

60
Q

What kinds of fires is a B:C extinguisher not good for?

A

electrical fires and burning liquids.

61
Q

When using your extinguisher, should you get as close as possible to the fire?

A

TRUE

62
Q

Name some causes of vehicle fires.

A

Improper use of flares; tires; short cuircuites; improper fueling; flammable cargo

63
Q

Common medicines for colds can make you sleepy. True or False?

A

TRUE

64
Q

Coffee and a little fresh air will help a drinker sober up. True or False?

A

FALSE

65
Q

What is a hazardous materials placard?

A

Placards are signs put on the outside of a vehicle that identify the hazard class of the cargo.

66
Q

Why are placards used?

A

Placards are used to warn others of hazardous materials

67
Q

What four things related to cargo are drivers responsible for?

A

Inspecting your cargo; 2. Recognizing overloads and poorly balanced weight; 3. Knowing your cargo is properly secured and does not obscure your view ahead or to the sides; Knowing your cargo does not restrict your access to emergency equipment

68
Q

How often must you stop while on the road to check your cargo?

A

Within 50 miles and After you have driven for 3 hours or 150 miles

69
Q

How is Gross Combination Weight Rating different from Gross Combination Weight?

A

GVWR =The value specified by the manufacturer as the loaded weight of a single vehicle.

70
Q

Name two situations where legal maximum weights may not be safe.

A

Slow moving upgrades and gaining speed on downgrades

71
Q

What can happen if you don’t have enough weight on the front axle?

A

Too little weight on the driving axles can cause poor traction

72
Q

What is the minimum number of tie-downs for any flatbed load?

A

No matter how small the cargo, it should have at least two tie-downs

73
Q

What is the minimum number of tie-downs for a 20-foot load?

A

two

74
Q

Name the two basic reasons for covering cargo on an open bed.

A

To protect people from spilled cargo; To protect the cargo from weather

75
Q

What must you check before transporting a sealed load?

A

you should check that you don’t exceed gross weight and axle weight limits

76
Q

Name some things to check in the interior of a bus during a Vehicle inspection.

A

Passengers that may be unsafe.

77
Q

What is a standee line?

A

a two-inch line on the floor or some other means to the rear of the drivers seat

78
Q

The rear door of a transit bus has to be open to put on the parking brake. True or False?

A

FALSE

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