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New Jersey CDL practice test, (NJ) free CDL practice test - List of Questions

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324 questions
1
 

Your brakes are fading when:

You have to push harder on the brake pedal to control your speed on a downgrade.

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2
 

The brake system that applies and releases the brakes when the driver uses the brake pedal is the ______ brake system.

Service

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3
 

Your truck or bus has a dual air brake system. What should you do if a low air pressure warning comes on for only one system?

Stop right away and park. Continue only after the system is fixed

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4
 

During normal driving, spring brakes are usually held back by:

Air pressure

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5
 

Total stopping distance for air brakes is longer than for hydraulic due to _______ distance.

Brake lag

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6
 

In air brake equipped trucks, the parking brake should be used:

Whenever you leave the vehicle unattended

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7
 

For emergency stab braking you should:

Press on the brake pedal as hard as you can, release the brake when the wheels lock, and when wheels start rolling put the brake on fully again.

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8
 

Parking or emergency brakes of trucks and buses can be legally held on by ______ pressure.

Spring

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9
 

The driver must be able to see a low air pressure warning which comes on before the pressure in the service air tanks falls below ___ PSI.

60

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10
 

If your vehicle has an alcohol evaporator, it is there to:

Reduce the risk of ice in air brake valves in cold weather

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11
 

The brake pedal in an air brake system:

Control the air pressure applied to put on the brakes

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12
 

To check the free play of manual slack adjusters os S-cam Brake, you should park on:

Level ground, chock the wheels and release the parking brake.

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13
 

The most important thing to do when a low air pressure warning comes on is:

Stop and safely park as soon as possible

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14
 

The air compressor governor controls:

When air is pumped into the air tanks

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15
 

The braking power of the spring brakes:

Depends on the service brakes being in adjustment

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16
 

The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like:

Spring pressure.

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17
 

A straight truck or bus air brake system should not leak at the rate of more than __PSI per minute with the engine off and the brakes released

2

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18
 

Air brake takes more time that hydraulic braking because of air ___

takes more time to flow through the lines than hydraulic fluid

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19
 

Modern air brake systems combine three different systems. They are the service, the parking, and the _____ brakes.

emergency

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20
 

The application pressure gauge shows how much air pressure you:

Are applying to the brakes

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21
 

If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?

At the end of each day of driving

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22
 

The proper use of the brake when going down a long steep grade after selection a proper gear is to brake until your speed is above ___ MPH below the posted speed for safety and release you brake.

5 mph

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23
 

If the air pressure did not reach the correct level during the allowed time, then:

Your pressure may drop to the low point while driving, requiring an emergency stop

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24
 

The air brake lag distance at 55 mph on dry pavement adds about ____ feet.

32

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25
 

A slack adjuster's free play needs to be adjusted if it is more than about ______ when you pull hard on it.

1 inch

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26
 

Some air brake systems have an alcohol evaporator. What may happen if you don't keep the proper level of alcohol?

Ice may form in the air storage tank and cause a brake failure

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27
 

The spring brakes used on the chambers in a straight truck will bring you to stop when air pressure drops below ___ PSI

20

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28
 

When should you push the brake pedal if the spring brakes are on?

Never

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29
 

If your truck has a properly functioning dual air brake system and minimum size air tank pressure should build up from 85 to 100PSI within how many seconds?

45

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30
 

In ideal conditions, a truck or a bus with an air brake going at 55 mph would require stopping distance of how many feet?

More than 300 feet

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31
 

When is it OK to leave your truck unattended without applying the parking brakes and choking the wheels?

Never

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32
 

It is accepted that too much heat caused by using your brakes too often can also cause:

Brake to fade or fail

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33
 

S-cam

Force the brake shoes against the inside of the brake drum

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34
 

The stoplight switch:

Turn on your brake light to warn drivers behind you

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35
 

When brakes are applied the brake shoes will align to press against the:

Brake drum or disk

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36
 

Repeatedly partially releasing and pressing the brake pedal may result in:

A loss of brake air pressure

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37
 

Your truck has a dual air system, and one of the systems loses its pressure. What will happen?

Either the front or the back brake will not be fully operational

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38
 

An air brake system is fully charged at what PSI?

125

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39
 

It is not safe to drive a vehicle that has brake drums with cracks that are longer than ___ of the width of the friction area?

1/2

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40
 

How should you check that your service brakes are working properly?

Park on level ground wait until normal air pressure reached, release the parking brake and move forward slowly at about 5mph. Then apply the brakes firmly using the brake pedal

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41
 

To test the air service brake you should:

Brake firmly, while slowly moving forward

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42
 

The air compressor stops pumping air at what PSI?

125

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43
 

A modulated control valve allows you to control the:

Spring brakes

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44
 

If you have a dual air brake system, it is considered fully charged at ___ PSI

100

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45
 

Safety valve will turn off the air compressor at what PSI?

150

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46
 

When is NOT a proper time to use a parking brake:

If your brakes are overheated, for example just after coming down a steep hill

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47
 

If your brakes overheat:

Drums will expand

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48
 

Air compressor will start pumping air in the air tanks at what PSI?

100

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49
 

If you must make an emergency stop, you should brake so you:

Can steer so your vehicle stays in a straight line.

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50
 

All air brake equipped vehicles have:

A supply pressure gauge.

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51
 

The supply pressure gauge shows how much pressure:

Is in the air tanks.

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52
 

If your vehicle has an alcohol evaporator, then every day during cold weather, you should:

Check and fill in the alcohol level.

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53
 

Why should you drain water from compressed air tanks?

Water can freeze in cold weather and cause brake failure.

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54
 

The most common type of foundation brake found on the heavy vehicle is the:

S-cam drum.

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55
 

Why, on long downhill grades, using a low gear and light, steady pedal pressure instead of On-again, Off-again braking recommended?

All of these: Air usage is less with steady light pressure; Brake linings do not heat up as much with light pressure; you can keep vehicle speed constant in a low gear with steady light pressure.

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56
 

The air loss rate for a straight truck or bus with the engine OFF and the brakes ON should not be more than:

3 PSI in one minute.

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57
 

After you lock the kingpin into the fifth wheel, you should check the connection by:

Pulling the tractor ahead gently with the trailer brakes locked

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58
 

You are about to back your tractor under a semi-trailer. The trailer is at the right height when the:

The trailer will be lifted slightly when the tractor backs under it

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59
 

When should you use the hand valve to park a combination vehicle?

Never

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60
 

You have coupled with a semitrailer. Where should you put the iron trailer supports before driving away?

Fully raised with the crack handle secured in its bracket.

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61
 

You supply air to the trailer tank by:

Pushing in the air supply valve

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62
 

You are coupling a tractor to a semitrailer and have backed up but are not under it. What should you hook before back under?

The emergency and service air lines

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63
 

If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, what will happen right away?

Nothing likely happens until you try to apply the brakes

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64
 

A driver crosses the air lines when hooking up to an old trailer. What will happen?

If the trailer has no spring brakes, you could drive away, but you wouldn't have trailer brakes

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65
 

In normal driving, some drivers use the hand valve before the brake pedal to prevent a jackknife. Which of the statements is true?

It should not be done

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66
 

When you get ready to back under a semitrailer you should line up:

Directly in front of the trailer

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67
 

The fifth wheel locking lever is not locked after the jaws come around the kingpin. This means that:

The coupling is not right and should be fixed before driving the coupled unit

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68
 

There are two things that a driver can do to prevent a rollover. They are: (1)keep the cargo as close to the ground as possible, and (2):

Go slow around turns

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69
 

Air brake equipped trailers made before 1975

Often do not have spring brakes

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70
 

After you supply air to the trailer, make sure the air lines are not crossed, and the trailer brakes are working. This is done by:

Applying and releasing the trailer brakes and listening for the sound of the brake

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71
 

After connecting the air lines but before backing under the trailer you should:

Supply air to the trailer system, then pull out the air supply knob

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72
 

You should not back tractor under a trailer until the whole air system is:

At normal pressure

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73
 

Before you back under the trailer, make sure that:

The trailer brakes are locked

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74
 

How should you test the tractor-semitrailer connection for security?

Pull gently forward in low gear against the locked brakes than look at it carefully

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75
 

There are two things that a driver can do to prevent a rollover. They are: (1)go slow around turns, and (2)

Keep the cargo as close to the ground as possible

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76
 

Which of these statements is true?

'Bobtail' tractors can take longer to stop than a combination vehicle loaded to the maximum gross weight

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77
 

Your emergency air line breaks or pulled apart while you are driving. The loss of pressure will cause the:

Emergency trailer's brakes to come on

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78
 

The front trailer supports are up, and the trailer is resting on the tractor. Make sure:

Both 'There is enough clearance between the top of the tractor tires and nose of the trailer' and 'There is enough clearance between the tractor frame and the landing gear' are correct

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79
 

You have a major leak in the service line, and you put on brakes. Service air will escape and cause the:

Trailer's emergency brakes to come on

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80
 

Why should you lock the tractor hands to each other (or dummy couplers) when you are not towing a trailer?

It will keep dirt or water out of the lines

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81
 

The hand valve should be used:

To test the trailer's brakes

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82
 

If you cannot make a turn without entering another traffic lane:

You should turn wide as you complete the turn.

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83
 

After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?

Normal

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84
 

To unlock the fifth wheel the locking lever should be placed in the ______ position?

Open

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85
 

Compared to s straight truck or bus, there are ______ things to inspect in combination vehicle.

More

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86
 

The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the ________ brake line.

Emergency

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87
 

When driving a set of doubles, it is necessary to close which shut-off valve in the last trailer?

Back

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88
 

What gear should the tractor engine be in after you uncouple the trailer and are inspecting the trailer supports?

Neutral

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89
 

When connecting the glad hands, you need to press the two seals with the couple together at what degree to each other?

90 degree

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90
 

Glad hands are usually connecting which of these?

Service and emergency air lines from the vehicle to the trailer

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91
 

When coupling the trailer, the proper position of the fifth wheel is:

Titled down toward the end of the trailer

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92
 

When uncoupling the trailer after you shut off the trailer air supply and lock the trailer brakes, you should:

Back up gently to ease the pressure of the fifth wheel

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93
 

When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?

Emergency

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94
 

Where should the tractor be when you inspect landing gear after uncoupling the trailer?

With the tractor frame under the trailer

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95
 

When backing a tractor under a trailer, you should:

Always use the lowest reverse gear

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96
 

You are driving a combination vehicle when the trailer breaks away, pulling apart both air lines you expect the trailer brakes to come on and:

The tractor protection valve to close

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97
 

A tractor with a _______ trailers requires the shortest amount of stopping distance.

Fully loaded

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98
 

The safety latch for the fifth wheel locking lever must be _______ for coupling to be complete.

Over the locking lever

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99
 

You are driving a new truck with manual transmission. What gear will you have to use to take a long, steep downhill?

lower gear than you would use to climb the hill

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100
 

You are checking your wheels and rims for the pre-trip inspection. Which of these statements is true?

Rust around wheel nuts may mean that they are loose

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101
 

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

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

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102
 

If a straight vehicle (not trailer or articulation) goes into the front-wheel skid, it will:

Go straight ahead even if the steering wheel is turned

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103
 

If you need to leave the road in a traffic emergency, you should:

Avoid braking until your speed has dropped to about 20 mph

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104
 

Which of these statements about certain types of cargo is true?

An unstable load such as hanging meat or livestock can require extra caution on curves

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105
 

According to the driver's manual, why you should limit the use of your horn?

It can startle other drivers

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106
 

You do not have a hazardous materials endorsement on your commercial driver's license. You are asked to deliver hazardous materials in a placarded vehicle. You should:

Refuse to haul the load

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107
 

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

Sleep is the only thing that can overcome fatigue

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108
 

Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find out that it goes to the floor. Which of the statements is true?

Pumping the brake pedal may bring the pressure up so you can stop the vehicle

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109
 

You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?

The length of a football field

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110
 

Which if these statements about cold weather driving is true?

Windshield washer antifreeze should be used

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111
 

When driving at night, you should:

Adjust your speed to keep your stopping distance within your sight distance.

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112
 

Which of these statements about downshifting is true?

When you downshift for a curve, you should do so before you enter the curve.

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113
 

For your safety, when setting out reflective triangles you should:

Hold the triangles between yourself and oncoming traffic

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114
 

Which of these statements about backing a heavy vehicle is true?

All of these are true: Backing is always dangerous, You should back and turn toward the driver's side whenever possible, You should use the helper and communicate with signals.

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115
 

As the blood alcohol concentration (BAC) goes up, what happens

Judgment and self-control are affected

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116
 

What will help keep an engine cool in hot weather?

All of these are true: Avoiding high-speed driving, Making sure the engine has the right amount of oil, Proper V-belt tightness.

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117
 

Which of these is a good thing to remember about using mirrors?

There are "blind spots" that your mirror cannot show

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118
 

Cargo that is not loaded or secured properly can cause

All of these: Vehicle damage by overloading, Injury to the driver during quick stops or crash, Other highway users to hit or be hit by a loose cargo

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119
 

Hydroplaning:

Is more likely if the tire pressure is low

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120
 

When driving through a work zone, you should:

All of these: Turn on your flasher, Drive slowly, Use your brake lights to warn driver behind you.

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121
 

If you are being tailgated, you should:

Increase your following distance

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122
 

A key principle to remember about loading cargo is to keep the load:

Balance in the cargo area

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123
 

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

12-15 seconds

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124
 

How do you correct a rear-wheels acceleration skid?

Stop accelerating

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125
 

The purpose of the retarders is to:

Help slow down the vehicle and reduce brake wear

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126
 

Controlled braking:

Is used to keep a vehicle in a straight line when braking

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127
 

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

Don't turn any more than need to clear what is in your way

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128
 

You should stop driving:

Whenever you became sleepy

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129
 

Escape ramps are:

All of these are true: Are used to stop a runaway vehicle, Designed to prevent injury to driver and passengers, Designed to prevent damage to the vehicles.

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130
 

Which of these items is checked in a pre-trip inspection?

All of these: Whether all vehicle lights are working and are clean, Wiper blades, Cargo securement.

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131
 

Which of these is not a good rule to follow when caring for injured persons at an accident scene?

Keep injured person cool

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132
 

You are checking your steering and exhaust system in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven:

All of these: A small leak of power steering fluid, Leaks in the exhaust system, Steering wheel play of more than 10 degrees (2 inches on 20 inches steering wheel).

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133
 

You should avoid driving through deep puddles or flowing water. But if you must, which of these steps can help keep your brakes working?

Gently putting on the brakes while driving through the water

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134
 

Which of these statements about drugs is true?

Use of drugs can lead to an accident and/or an arrest

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135
 

Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?

The heavy vehicle needs larger gaps in traffic than cars

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136
 

You are driving a heavy vehicle with manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion?

Use the parking brake to hold the vehicle until the clutch engages

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137
 

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

Slow down to a safe speed before the curve

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138
 

You must park on the side of a level, straight, four-lane divided highway. Where should you place the reflective triangles?

One within 10 feet of the rear of the vehicle. One about 100 feet to the rear and one about 200 feet to the rear.

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139
 

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

Steer to the right

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140
 

Which of these is a proper use of vehicle lights?

All of these are true: Flashing your brakes lights to warn someone behind you that you are going to stop on the road, Turning on your headlights during the day when visibility is reduced due to rain or snow, Flashing your brake lights to warn someone behind you of hazard that will require slowing down.

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141
 

Brake "fade":

Can be caused by the brakes getting very hot

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142
 

Which of these statements about engine overheating is true?

You should never remove the radiator cap on a pressured system until the system is cooled

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143
 

Which of these statements about overhead clearance is true?

The weight of a vehicle changes it height

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144
 

Which of these statements about vehicle fire is true?

A burning tire should be cooled with water

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145

NEW JERSEY CDL Practice Test. You are driving a long vehicle that makes wide turns. You want to turn left from Pine Street on to Cedar Street. Both are two-lane two-way streets. You should: : - Begin turning your vehicle when you are halfway through the intersection

 

You are driving a long vehicle that makes wide turns. You want to turn left from Pine Street on to Cedar Street. Both are two-lane two-way streets. You should:

Begin turning your vehicle when you are halfway through the intersection

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146
 

You must drive on a slippery road. Which of these is a good thing to do in such a situation?

Slow down gradually

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147
 

Which of these statements about acceleration is true?

Rough acceleration can cause mechanical damage

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148
 

Which of these statements about braking is true?

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

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149
 

When the road is slippery, you should:

Make turns as gently as possible

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150
 

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

All of these are true: Brakes shoes should not have oil, grease or brake fluid on them, One missing leaf in a leaf spring can be dangerous, Cracked drums should be replaced.

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151
 

Which of these pieces of emergency equipment should always be carried in your vehicle?

All of the above are true: Fire extinguisher, Spare electrical fuses (if the vehicle uses them), Warning devices for parked cars.

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152
 

Which of these can cause a vehicle to skid?

All of these: Turning too sharply, Not enough weight of the front axle, Over-acceleration.

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153
 

When you pass a vehicle the driver's manual suggests several things to do. Which of these is not one of them?

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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154
 

The distance that you should look ahead of your vehicle while driving amounts to about ____ miles at normal highway speed.

1/4

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155
 

You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:

Take your foot off the acceleration

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156
 

Which of these is the most important thing to remember about emergency braking?

If the wheels are skidding, you cannot control your vehicle

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157
 

Which of these statements about tire and hot weather driving is true?

You should inspect your tires every two hours or every 100 miles when driving in very hot weather.

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158
 

You should use mirrors to check:

All of these: The condition of your tires, Where the rear of your vehicle is while you make turns, Traffic gaps when merging.

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159
 

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?

You can almost always turn to miss an obstacle more quickly than you can stop.

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160
 

Which of these statements about speed management is true?

All of these are true: On a wet road, you should reduce your speed by about one-third, On packed snow, you should reduce speed by at least one-half, When the road is slippery, it will take longer to stop, and it will be harder to turn without skidding.

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161
 

What fires can be put out with water?

Tire fires.

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162
 

To help you stay alert while driving, you should:

Take short breaks before you get drowsy.

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163
 

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

If the shoulder is clear, stay on the right until your vehicle comes to a stop then move back into the pavement when it is safe.

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164
 

Which of these statements about driving in areas with strong wind is true?

Winds are especially a problem when coming out of tunnels.

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165
 

Which of these is a good thing to do when driving at night?

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

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166
 

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

4 seconds.

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167
 

What is the proper way to hold a steering wheel?

With both hands on opposite sides of the wheel.

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168
 

High beams should be:

Used when it is safe and legal to do so.

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169
 

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

It may be a slow-moving vehicle.

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170
 

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

Valve clearance.

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171
 

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

Stop driving as soon as you can safely do so.

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172
 

Which of these is a sign of tire failure?

All of these are true: Steering that feels heavy, A loud "bang", Vibration.

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173

NEW JERSEY CDL Practice Test. 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 the turn. Which of these figure shows how the turn should be made? : - B

 

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 the turn. Which of these figure shows how the turn should be made?

B

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174
 

You are driving a vehicle that could safely be driven at 55 mph on an open road. But traffic is heavy, and other vehicles drive at 35 mph, even though the speed limit is 55 mph. The safest speed for your vehicle is more likely to be:

35 mph

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175
 

What is counter-steering?

Returning the steering wheel to the correct position after maneuvering or avoiding a traffic emergency.

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176
 

Which of these can cause a fire?

All of these: Under-inflated tires, Loose fuel connection, Electrical short-circuits.

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177
 

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

All of these: Alcohol first affects judgment and self-control, which are necessary for safe driving, The chance of crashing is much greater for drivers who have been drinking than for drivers who have not, A driver can lose his/her license for driving while drunk.

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178
 

Which of these statements about backing a heavy vehicle is true?

You should avoid backing whenever you can

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179
 

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

If a hill or a curve keeps drivers behind you from seeing the vehicle within 500 feet then the rear reflective triangle should be moved down the road to give adequate a warning

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180
 

Which of these best describes how you should use the brake pedal on a steep downhill?

Light, steady pressure

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181
 

Which of these statements about using turn signals is true?

When turning, you should signal early

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182
 

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

You can use the tachometer to tell you when to shift

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183
 

Which of these would tell you that a shipment contains hazardous materials?

All of these are true: The name of hazard class on the shipping paper, A four-inches, diamond-shaped hazardous materials label on the container, A hazardous material placards on the vehicle.

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184
 

Which of these statements about speed management is true?

You should choose a speed that lets you stop within the distance that you can see ahead

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185
 

Retarders:

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

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186
 

An en route inspection should include checking for:

All of these: Tire overheating, Brake overheating, Cargo securement.

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187
 

To eliminate drive wheels braking skid, you should:

Stop braking, turn quickly, then countersteer

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188
 

When exiting or entering on a curved freeway ramp, you should:

Maintain a speed 5-10 mph under the posted speed limit

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189
 

On which fires can you use the "ABC" fire extinguisher?

All of these: Electrical fires, Burning liquids, Burning clothes.

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190
 

Which of the following vehicles will have the longest stopping distance?

Bobtail tractor

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191
 

How many red reflective triangles are you required to carry?

3

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192
 

There are two types of jackknife, they are:

Both Trailer and Tractor

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193
 

The new BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is

0.04

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194
 

Where should the ignition key be during the pre-trip inspection?

In the pocket

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195
 

When loading a trailer if the load is loaded all to the rear, it may result in:

Poor traction on drive wheels

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196
 

Communication means:

To communicate your intention to other motorists

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197
 

If you are convicted of driving under the influence while driving a commercial vehicle, and this is your first offense, you most likely will get

At least one-year suspension of your CDL

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198
 

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

Both "You and your dispatcher will be deep trouble" and "You will be placed out of service for 24 hours" are true

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199
 

Which of the following statements about speed management is true?

If you double your speed, stopping distance will be increased by 4 times

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200

NEW JERSEY CDL Practice Test. You are driving a long vehicle that makes wide turns. You want to make a left turn from Elm Street onto Oak Street. There are two left turn lanes (marked A and B) on Elm Street. Oak Street is a four-lane street with two lanes in each direction. You should: : - Use left turn lane (B)

 

You are driving a long vehicle that makes wide turns. You want to make a left turn from Elm Street onto Oak Street. There are two left turn lanes (marked A and B) on Elm Street. Oak Street is a four-lane street with two lanes in each direction. You should:

Use left turn lane (B)

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201
 

You are traveling down a long, steep hill. Your brakes get so hot that they fail. What should you do?

Look for an escape ramp or escape route

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202
 

The center of gravity of a load:

If it is high, it can make a vehicle more likely to tip over on the curve

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203
 

To prevent a load from shifting, there should be at least one tie down for every _____ feet of cargo.

10

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204
 

While driving, ice builds up on your wipers, and they no longer clean the windshield. You should:

Stop safely and fix the problem

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205
 

When the hydraulic brakes fail while you are driving, the system will not build up the pressure, and brake pedal will feel spongy or goes to the floor. What should you do?

Pump the brake pedal to generate pressure

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206
 

Which may be a sign of the tire failure?

Vibration

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207
 

To prevent brake fade you should:

Select the gear, which will keep your vehicle to a safe speed on a deep downgrade

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208
 

A full stop is required at a railroad crossing when:

The nature of cargo makes a stop mandatory under the State or Federal regulation

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209
 

When driving at night, you should use your low beams when an oncoming vehicle is within of how many feet?

500

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210
 

When driving through a work zone, you should:

Watch for sharp drop off

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211
 

Backing of a commercial vehicle is

Always dangerous

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212
 

When you are parking at the side of the road at night, you should:

Turn on your four-way emergency flasher to warn others

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213
 

You must stop on a hill or a curve on a two-lane two-way road. How far should you place reflective triangles?

Within 500 feet behind you

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214
 

Stab braking should not be used on a vehicle with:

Antilock brakes

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215
 

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

You must put out your emergency flashers within 5 minutes

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216
 

Sometimes you need to leave a road to avoid a hazard or an emergency. When you do so you should keep in mind that:

It is less dangerous to drive on to shoulder than to make a collision

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217
 

Which of the following is NOT a characteristic of the front tire failure?

Vehicle's fishtail

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218
 

Most skids:

Are caused by going too fast or stopping too quickly

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219
 

In bad weather, many car drivers tailgate large vehicle. What should you do?

Increase your following distance

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220
 

Which of the following system should receive extra attention during winter weather inspection?

Exhaust

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221
 

What happens to tar on the road pavement during hot weather?

It bleeds making the road surface slippery

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222
 

What is the best advice for a driver when there a heavy fogs on curves?

Park the truck until the fog disappears

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223
 

When driving through mountain area, you will have to use a lower gear to drive safely on a downhill. Which of these does NOT affect your choice of gear?

The tread depth

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224
 

What should you do before driving on mountains?

Know escape ramps location on your way

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225
 

Escape ramps:

Should be used by any driver who looses braking power.

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226
 

Which of these is correct about notifying the authorities after an accident occurs?

If you have a cellular phone or CB radio, you should notify the authorities before exiting the vehicle

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227
 

If you are not sure what to use to put out hazardous materials fire, you should:

Wait for the firefighters

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228
 

Which of these is NOT damage of a rough acceleration?

Tire damage

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229
 

Which of the lights cannot be checked at the same time?

Turn signals, brake lights, and four-way flashers

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230
 

You are inspecting hydraulic brakes. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. If the brakes are working properly, the pedal should:

Not move

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231
 

When starting a bus on a level surface with good traction, often there is no need for:

Parking brakes

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232
 

How the weight of the vehicle affects stopping?

Empty truck takes longer to stop than if loaded, but this is not the normal case for buses

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233
 

When you are starting to move up a hill from a stop:

Release the parking brakes as you apply engine power; Keep the trailer brake hand valve applied until you reach 20 MPH

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234
 

Which is true about using a heater?

When driving in winter weather, you should check that the heater is working properly before starting your trip.

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235
 

Why is a damaged exhaust system is a danger?

Poisonous fumes can enter into the cab or sleeping compartment

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236
 

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

A loss of steering control

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237
 

Perception distance is the distance your vehicle travels from the time:

The eyes see a hazard to the time the brain knows that this is a hazard

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238
 

Extra care is needed to keep your vehicle centered in your lane because commercial vehicle:

Are often wider than usual vehicle

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239
 

You should lightly apply your brakes to flash the brake light if:

You are about to exit the road and need to slow down.

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240
 

Merging on to the road is safest if you:

Wait for a large enough gap in the traffic to enter the road.

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241
 

Which of these is NOT something you should do if your headlights are not working properly?

Leave ON your high beams

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242
 

Which of the statements about backing a heavy vehicle is not true?

Because you cannot use your shoulder, you should back slowly until you slightly bumped into the dock.

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243
 

The distance that you should look ahead of your vehicle while driving is about ______ at low speed.

1 block

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244
 

What does emergency braking mean?

Responding to a hazard by slowing the vehicle

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245
 

When driving in cold weather, your tire tread should:

Provide enough touch to steer and push the vehicle through snow

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246
 

Which of these is true about hauling of hazardous materials?

Such a load should be marked with a 4-inch diamond shaped labels on the containers.

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247
 

Which vehicle will have the most difficulties staying in its lane during strong wind?

A double with an empty trailer

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248
 

Why your vehicle speed naturally increases on a downgrade?

Gravity

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249
 

During the vehicle inspection checking of ____ will NOT prevent a fire?

Battery fluid level

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250
 

When is it necessary to learn how a fire extinguisher works?

Before the fire happens

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251
 

What is the most important reason to inspect your truck or bus?

Safety

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252
 

You are checking your steering and exhaust systems in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is being driven?

Steering wheel play of more than 10 degrees (2 inches on 20 inches steering wheel)

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253
 

Convex (curved) mirror:

Show a wider area than a flat mirror

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254
 

Why is it important to shift gear correctly?

To keep control of the vehicle

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255
 

What are the three distances that build up the total stopping distance of your truck or bus?

Perception distance, reaction distance, and braking distance

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256
 

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

Start at the inside lane and swing right as your turn

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257
 

When you are passing other vehicles, pedestrians or bicycle, you should assume that:

They may suddenly move to your traffic lane

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258
 

In your mirror you see a car approaching from the rear, the next time you check the mirror you do not see the car, you wish to change the lane, you should:

Wait until you are sure that car is not in your blind spot then change lane

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259
 

Which of these is a proper way to signal to change lane?

Signal early and change lanes slowly and smoothly

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260
 

You are driving in an area with a few street lights. If you cannot see well with your headlights, which of these actions may help:

Use your high beams when legal and keep your interior lights off

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261
 

Most serious skid results from:

Driving too fast for road condition

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262
 

What should be true about other drivers?

Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard

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263
 

What is true about bad weather and driving condition?

When the temperature drops the bridges freeze before the road

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264
 

Which of these statements about a hazard of the vehicle fire is true?

Poor cargo ventilation may cause cargo to catch fire

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265
 

You should wear a seatbelt in a moving vehicle:

At all times

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266
 

Which of these items is not checked for a pre-trip inspection?

Amount of fuel in a vehicle

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267
 

Which of the statements about pre-trip inspection is true?

If you need to tilt the cab, secure loose things, so they do not fall and break something

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268
 

Can state inspectors inspect your truck or bus?

Yes, and also they can put you out of service if unsafe

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269
 

Which of the statements about cargo loading is true?

A state law dictates legal weight limit

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270
 

Which of these is not required knowledge for a drive, who needs a hazardous material endorsement?

Basic chemistry

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271
 

What is necessary to know to determine the alcohol concentration level for an individual?

How much a person weight

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272
 

Implied consent means:

You give your consent to be tested for alcohol in your blood

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273
 

The engine brake effect is greater when the engine is _______ Governed RPM, and the transmission is on a _______ gear.

Near, lower

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274
 

You are driving a 40-feet vehicle at 55 mph. The road is dry, and visibility is good. What is the least amount of space that you need to have in front of your vehicle to be safe?

5 seconds

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275
 

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

Look to the right lane or edge marking of a road

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276
 

If you must stop on the oncoming lane as you make a turn, you should:

Watch for oncoming traffic

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277
 

Which of this is true about driving in a tunnel?

There may be strong winds when exiting a tunnel

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278
 

You should use your mirror to check:

Where the rear of the vehicle is while you make a turn

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279
 

You should use your horn when:

If it helps to avoid a crash

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280
 

If a coolant container is a part of the pressurized system, which of these is true:

You can check the coolant level when the engine is hot.

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281
 

Which of these is a danger of crossing a railroad track on a dirt road?

You can get hung up halfway across the track.

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282
 

The tread depth on a front steering wheels tires should be:

Not less than 4/32 inch

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283
 

Your vehicle will be put out of service if ______ or more leaves in any leaf spring are damaged.

1/4

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284
 

Brake drums (or discs) must not have cracks longer than ____ the width of the friction is.

1/2

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285
 

A hazard:

Is any road condition or another road user that may pose a danger

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286
 

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

Slow down to 5 mph below the posted speed limit

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287
 

Which of these rigs have more chances to go "off-track" while making a turn?

Tractor with a 45-feet trailer

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288
 

How much space in front of you is needed while driving on a highway?

1-second for every 10 feet of vehicle length

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289
 

Medicine used to treat the common cold:

Often makes you sleepy and should not be used while driving

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290
 

Which of these should you not do in an emergency?

It is not important how you brake in an emergency

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291
 

The primary cause of fatal crashes is:

Driving too fast

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292
 

A car suddenly cuts in front of you, creating a hazard. Which of the actions should you NOT take?

Honk your horn and stay close behind the car

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293
 

If your brakes fail on a downhill, first you must:

Find an escape ramp to exit the roadway

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294
 

You should always turn on your emergency four-way flashers when you:

Park on the side of the road

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295
 

Should brake adjustment be often checked?

Yes, because the brake can get out of adjustment when they are used a lot

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296
 

Which of these is true about mirror adjustments?

You should adjust your mirror before starting a trip

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297
 

When you are driving on a snow-packed road, you should reduce your speed by:

1/2

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298
 

The bridge formula:

Permits less maximum axle weight for the axles that are close together

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299
 

Which of these is true about hours of service?

You should allow enough hours to rest

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300
 

Which of these is true about the use of drugs while driving?

Prescription drugs are allowed if a doctor says that they will not affect the driving ability

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301
 

Which of these is true about the proper use of a steering wheel?

If you do not hold a wheel with both hands, it could pull away from you

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302
 

When do you need a helper to back your vehicle?

Whenever you have to back

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303
 

To avoid an accident you moved to the shoulder. What should you do to return to the road?

Using mirrors and turn signals return when the road is clear

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304
 

Which of these would not help if windshield covered with ice?

Windshield wipers

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305
 

Which of these tell you that the shipment contains hazardous materials?

All of these: Hazardous class in a shipping paper, Four-inch diamond shaped tag on containers, Hazardous materials placards.

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306
 

Heavy vehicles often move slower than others do. Which of these is NOT a good rule to follow while driving a heavy vehicle?

Signal other drivers when it is safe to pass you

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307
 

What keeps an engine cool in hot weather driving

Enough engine oil

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308
 

Cargo inspections:

Should be performed after every break you take while driving

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309
 

What may happen if a vehicle is loaded a very little weight on the drive axle?

Poor traction

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310
 

If your vehicle catches fire while you are driving, you should:

Park in an open area

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311
 

Turn signals should be used:

At least 100 feet before turning or changing lane

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312
 

Containerized loads:

Generally, are used when freight is carried part of the way by rail or ship

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313
 

When driving a commercial vehicle with a height over 13 feet, you should:

Stop and make sure clearance is high enough if you aren't sure that a clearance is high enough

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314
 

When should you test your parking brake?

While the vehicle is parked

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315
 

When going down a long or steep hill you should always:

Use the braking effect of the engine; Use controlled braking

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316
 

Controlled braking is:

Squeezing the brakes firmly without locking them up

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317
 

If you do not have CB radio, what is the first thing to do at the crash site?

Protect the area

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318
 

Which one of the following is correct regarding the engine compartment?

Coolant temperature gauge will gradually rise to the normal level

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319
 

Truck driving is regulated by certain laws, regulations restrictions. Which of the following is true?

Laws and restrictions change from state to state

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320
 

Why might tourists be a hazard?

They may move slowly, unexpectedly change lines or stop.

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321
 

What should you do when you see a hazard on the roadway ahead of you?

Use your four-way flashers or brake lights to warn others

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322
 

You are driving on a straight-level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out on your vehicle. What should you do first?

Stay off the brake until the vehicle has slowed down

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323
 

Drivers of truck and tractor-trailers with cargo must check that the cargo is well secured within the first ___ miles of the trip.

50

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324
 

You are required to inspect your truck within how many miles after beginning the trip?

50

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New Jersey Motorcycle DMV permit test regulations:

50 Number of
questions
10 Max. incorrect
questions
40 Min. correct
questions
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