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CDL's > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

What is a hazard?

A

A hazard is any road condition or other road user that is a possible danger.

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2
Q

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

A

You will not be able to shift into a lower gear once you are going down the hill

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3
Q

What is the advantage of going right instead of left around an obstacle?

A

If you are blocked on both sides, a move to the right, at least you won’t force anyone into an opposing traffic lane and a possible head on collision.

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4
Q

How many red reflective triangles should you carry?

A

3

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5
Q

Why put the starter switch key in your pocket during the pre-trip inspection?

A

So no one moves the vehicle while you are inspecting underneath it

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6
Q

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

A

Partly engage the clutch before you take your right foot off the brake.

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7
Q

What must you check before transporting a sealed load?

A

The load is properly secured.

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8
Q

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

A

Wait until the vehicle ahead passes a clear landmark, then count off the seconds until you reach the same spot.

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9
Q

What is NOT a common cause of vehicle fires?

A

Loose air lines

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10
Q

TRUE or FALSE: Retarders keep you from skidding when the road is slippery

A

FALSE

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11
Q

How far ahead does the manual say you should look while driving?

A

12 to 15 seconds, at highway speeds its its about a quarter of a mile.

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12
Q

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

A

4 seconds

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13
Q

TRUE or FALSE: Should you let air out of hot tires so the pressure goes back to normal?

A

FALSE

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14
Q

What is black ice?

A

A thin layer of ice that is clear enough that you can see the road underneath it. It makes the road look wet.

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15
Q

What is the most important reason for doing a pre trip inspection?

A

Safety for yourself and other road users.

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16
Q

Name some important steering system parts:

A

Tie rod, spindle, and pitman arm

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17
Q

What is the minimum tread depth for tires other than the front tires?

A

2/32

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18
Q

What are the two main things to look for ahead while driving?

A

Traffic and road conditions

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19
Q

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

A

Four times

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20
Q

TRUE or FALSE do empty trucks have the best braking:

A

FALSE

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21
Q

What are three kinds of emergency equipment must of have?

A

Fire extinguisher, spare electrical fuses, warning devices for parked vehicles

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22
Q

TRUE or FALSE If a tire blows out, you should put the brakes on hard to stop quickly?

A

FALSE

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23
Q

Name two causes of tire fires?

A

Under-inflated tires and duals that touch

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24
Q

TRUE or FALSE when using your fire extinguisher, should you get as close as possible to the fire?

A

FALSE

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25
Q

TRUE or FALSE coffee and a little fresh air will help a drinker sober up?

A

FALSE

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26
Q

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

A

Two

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27
Q

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

A

Low beams, high beams, four way flashers, turn signals

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28
Q

Why are placards used?

A

To communicate the risk

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29
Q

What should you do if you do become sleepy while driving?

A

Stop to sleep

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30
Q

When should you downshift an automatic transmission?

A

Before going down a hill.

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31
Q

What is your important way to see the sides and read when backing?

A

A helper

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32
Q

What does communicating in safe driving mean?

A

Letting others know you are there by using turn signals, four way flashers and horn

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33
Q

You should decrease your following distance if somebody if following you too closely.

A

FALSE

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34
Q

How do you test hydraulic brakes for leaks?

A

Pump the brake pedal three times, apply firm pressure for 5 seconds, the pedal should not move.

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35
Q

What are the two special conditions where you should downshift?

A

Before starting down a hill and before entering a curve

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36
Q

What are the two ways to know when to shift?

A

Engine speed and road speed

37
Q

TRUE or FALSE you should use low beams whenever you can

A

FALSE

38
Q

TRUE or FALSE you can safely remove the radiator cap as long as the engine isn’t overheated?

A

FALSE

39
Q

TRUE or FALSE If you swing wide to turn left before turning right, another driver may try to pass you on the right.

A

TRUE

40
Q

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

A

Get sleep

41
Q

TRUE or FALSE stopping is not always the safest thing to do in an emergency

A

TRUE

42
Q

TRUE or FALSE common medicines for colds can make you sleepy

A

TRUE

43
Q

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

A

Within 50 miles after beginning a trip, after every break, and every 3 hrs, 150 miles

44
Q

Name two situations where legal maximum weights may not be safe to haul?

A

During bad weather and mountains

45
Q

Name two basic reasons for covering cargo on an open bed?

A

To protect people from spilled cargo, and to protect the cargo from weather

46
Q

What are some things you check during a trip?

A

Watch gauges, mirrors, use your senses to check for problems, look, listen, smell

47
Q

What is the minimum tread depth for front tires?

A

4/32

48
Q

When backing why is it important to use a helper?

A

Because there is blind spots you can not see

49
Q

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

A

Stop!

50
Q

What three things add up to total stopping distance?

A

Perception distance + Reaction distance + Braking distance

51
Q

Where shovel your reflectors be placed when stopped on a divided highway?

A

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

52
Q

What factors determine your selection of a safe speed when going down a long steel downgrade?

A

Total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions, weather

53
Q

For what three things related to cargo are drivers responsible for?

A

Inspecting your cargo, recognizing overloads, properly secured cargo

54
Q

What is a hazardous materials placard?

A

Signs put on the outside of a vehicle which identify the hazard class of the cargo.

55
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.

56
Q

What is a pull-up?

A

Pulling forward while backing a trailer to reposition it.

57
Q

Brake hard enough to feel a slowdown, when your speed has been reduced to 5mph brow your safe speed, release the brakes. When your speed has increased to your safe speed, repeat these steps.

A

This is the procedure for coming down long steep grades

58
Q

What is hydroplaning?

A

When tires lose their contact with the road and have little or no traction due to water on the road.

59
Q

What is an escape ramp?

A

A ramp leading to a long bed of loose soft material to slow a runaway vehicle, sometimes in combination with an upgrade

60
Q

Wheel bearing seals should be checked for:

A

Color changes, smoke, leaks, gasoline

61
Q

Truck escape ramps:

A

Are designed to protect vehicles from damage

62
Q

Every time you park your vehicle and shit he engine off you should:

A

Apply the parking brake

63
Q

How should you use the brake pedal on a steel downhill grade?

A

Release the brake when you are 5mph below your safe speed, then let your speed come back up to your safe speed and repeat braking again,(bring you speed down 5mph below your safe speed.)

64
Q

What is true about backing a heavy vehicle?

A

Backing is always dangerous

65
Q

The most common cause of serious vehicle skids is:

A

Driving too fast for road conditions

66
Q

If you are being tailgated, you should:

A

Increase the space in front of you

67
Q

A drivers trip log, if required:

A

Must be shown immediately when an officer requests for it

68
Q

Should the pre trip inspection report from the last driver be reviewed during your pre trip inspection?

A

YES

69
Q

If you are stopped at a roadside rest and found to have a BAC (Blood Alcohol Concentration) of .02 you will:

A

Be placed out of service for 24 hours

70
Q

If the roads are slippery, you should:

A

Make turns as gently as possible

71
Q

While driving, you see a small (1 foot square) cardboard box ahead in your lane. You should:

A

Steer around it when it is safe to do so

72
Q

What is counter steering ?

A

Turning the wheel in the opposite direction after steering to avoid a traffic emergency.

73
Q

An enroute inspection should include checking:

A

Cargo doors, tire temp, brake temp

74
Q

Where or when should you test the stopping action of your service brakes?

A

When the vehicle is moving at about 5mph

75
Q

Stab braking:

A

Involves locking the wheels

76
Q

Retarders:

A

Can cause the vehicle to skid when the road is slippery

77
Q

You are driving on a two lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these in generally the best action?

A

Steer to the right.

78
Q

A true statement about brakes:

A

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

79
Q

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

A

Heavy vehicles can almost always turn more quickly than they can stop.

80
Q

What can help you stay alert while driving?

A

Taking short breaks before you become drowsy

81
Q

What is not apart of the check engine compartment done for a pre trip inspection?

A

Valve clearance

82
Q

A true statement about cargo loading:

A

State laws dictate legal weight limits.

83
Q

A true statement about marking a stopped vehicle:

A

If a hill or curve keeps a driver behind you from seeing the vehicle within 500 ft, the rear reflective triangle should be moved back down the road to five adequate warning.

84
Q

You are driving a 40ft vehicle at 45MPH. Driving conditions are ideal. What is the least amount of space that you should keep in front of your vehicle to be safe?

A

5

85
Q

Cargo inspections:

A

Should be performed after every break you take while driving.

86
Q

How do you test hydraulic brakes for leaks?

A

With the vehicle stopped, pump the pedal 3 times, apply firm pressure for 5 seconds, then hold and see if the pedal moves

87
Q

Which is a good rule to follow when driving at night?

A

Keep your speed slow enough that you can stop within the range of your headlights.

88
Q

You have left the road in an emergency condition, it is impossible for you to come to a stop prior to returning to the the road, which of the following is the best action to take?

A

Reduce your speed go 20 mph or less before returning to the road

CDL's (3 decks)

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