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Class B Knowledge test > Test 3 > Flashcards

Test 3 Flashcards

1
Q

If you must cross into the oncoming lane as you make a turn, you should:

A

Allow enough space to get completely across the intersection

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2
Q

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

A

You can use the tachometer to tell you when to shift

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3
Q

The best drivers are those who watch and prepare for hazards. This is called being…

A

Defensive

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4
Q

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

A

Protect the area

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5
Q

The Commercial Driver Supplement suggests several things to do when you pass a vehicle. Which of these is NOT one of them?

A

At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle

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6
Q

Controlled braking is

A

used to keep a vehicle in a straight line when braking

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7
Q

One reason that dry bulk tanks require special care is

A

The load can shift

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8
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 that you should keep in front of your vehicle to be safe?

A

4 seconds

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9
Q

Whenever you double your speed, it takes about_____ times as much distance to stop

A

4

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10
Q

Optional safety equipment may include emergency phone numbers, tire chains, and

A

Tire changing equipment

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11
Q

“Perception distance” is the distance your vehicle travels from the time

A

The eyes see a hazard to the time the brain knows it is a hazard

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12
Q

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

A

Shift into a lower gear

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13
Q

You wish to turn right from one two-lane, two-way street to another. Your vehicle is so long that you must swing wide to make a turn. Which of these figures shows how the turn should be made?

A

FIGURE B

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14
Q

Which of these may be a sign of tire failure?

A

Wheels fishtailing

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15
Q

Strong winds most affect driving

A

Upon exiting tunnels

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16
Q

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

A

Tires of mismatched sizes should not be used on the same vehicle

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17
Q

What should you do if a car coming towards you at night keeps it’s high beams on?

A

Look to the right lane or edge markings of the road

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18
Q

To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?

A

If the shoulder is clear, stay until your vehicle has come to a stop. Then move back onto the pavement when it’s safe

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19
Q

How many missing or broken leaves in any leaf spring will cause a commercial vehicle to be placed out of service?

A

One-fourth of the total number

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20
Q

What will keep an engine cool in hot weather?

A

Making sure the engine had the right amount of oil

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21
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

22
Q

Which of these is NOT a danger of rough acceleration?

A

Tire Damage

23
Q

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

A

Don’t turn any more than needed to cleat what is in your way

24
Q

In mountain driving, you will have to use lower gears to drive safely on the grades. Which of these does NOT affect your choice of gear?

A

Tire tread type

25
Q

Which of these statements about backing a heavy vehicle is NOT true?

A

Because you can’t see, you should back slowly until you slightly bump into the dock

26
Q

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

A

12-15 seconds

27
Q

Which of these is NOT a type of retarder?

A

Robotie

28
Q

Which of these is NOT true about engine belts in hot weather?

A

Craking is likely to occur but is not a safety threat

29
Q

Which of these is NOT true?

A

A drinker can control how fast his or her body absorbs and gets rid of alcohol

30
Q

You should try to park so that

A

You can pull forward when you leave

31
Q

The engine brake effect is greatest when the engine is ___ the governed RPMs and the transmission is the_____gears

A

Near, Lower

32
Q

Which of these is not a proper use of vehicle lights?

A

Flashing your brake lights to get someone off your trail

33
Q

What should you do before driving in the mountains?

A

Know the escape ramp locations on your route

34
Q

Which of these statements about shipping hazardous materials is true?

A

A four-inch, diamond-shaped hazardous material label must be on the container

35
Q

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

A

go straight ahead even if the steering wheel is turned

36
Q

Retarders;

A

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

37
Q

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

A

Signal early before you turn, and change lanes slowly and smoothly

38
Q

When stopped on a one-way or divided highway you should place reflective triangles at

A

10- feet, 100 feet, and 200 feet toward approaching traffic (500 feet in a curve)

39
Q

For your safety, when setting out reflective triangles you should

A

Hold the triangles with the reflective side between yourself and outcoming traffic

40
Q

What is first thing you should do if your breaks fail while going down a hill?

A

Get of the road as soon a possible

41
Q

The distance that you should look ahead of your vehicle while driving amongst to about _____mile at highway speed

A

1/4

42
Q

Which statement is true?

A

Many heavy vehicle accidents occur between midnight and 6 am

43
Q

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

A

Park at the rest area or truck stop until the fog has lifted

44
Q

Which of these is true about hazardous materials?

A

All hazardous materials present a health and safety threat

45
Q

How do you correct a rear-wheel braking skid on ice or know

A

Stop accelerating

46
Q

You are checking your brakes and suspension system for a pre-trip inspection, which of these statements is true?

A

Brake shoes should not have oil, grease, or brake fluid on them

47
Q

Which of these systems should receive extra attention during a winter weather inspection?

A

Exhaust

48
Q

Which of these is a good thing to remember about drinking alcohol?

A

Alcohol first affects judgment and self-control, which are necessary for safe driving

49
Q

When starting to move up a hill from a stop

A

Partly engage the clutch and then release the parking brake

50
Q

CDL, medical certificates must be renewed every

A

Two years

Class B Knowledge test (4 decks)

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