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Permit Test > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

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

A

Stay off the brake until the vehicle has slowed down.

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2
Q

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

A

A lower gear than you would use to climb the hill.

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3
Q

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

A

Rust around wheel nuts may mean that they are loose.

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4
Q

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

A

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

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5
Q

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

A

Go straight ahead even if the steering wheel is turned.

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6
Q

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

A

Avoid braking until your speed has dropped to about 20 mph.

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7
Q

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

A

Unstable load such as hanging meat or livestock can require extra caution on curves.

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8
Q

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

A

It can startle other drivers.

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9
Q

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

A

Refuse to haul the load.

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10
Q

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

A

Sleep is the only thing that can overcome fatigue.

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11
Q

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

A

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

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12
Q

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?

A

The length of a football field.

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13
Q

Which of these statements about cold weather driving is true?

A

Windshield washer antifreeze should be used.

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14
Q

When driving at night, you should:

A

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

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15
Q

Which of these statements about downshifting is true?

A

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

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16
Q

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

A

Hold the triangles between yourself and oncoming traffic.

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17
Q

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

A

Judgment and self-control are affected.

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18
Q

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

A

There are blind spots that your mirror cannot show.

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19
Q

Hydroplaning:

A

Is more likely if tire pressure is low.

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20
Q

If you are being tailgated, you should:

A

Increase your following distance.

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21
Q

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

A

Balanced in the cargo area.

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22
Q

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

A

12-15 seconds.

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23
Q

How do you correct a drive-wheel acceleration skid?

A

Stop accelerating.

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24
Q

The purpose of the retarders is to:

A

Help slow the vehicle while driving and reduce brake wear.

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25
Q

Controlled braking:

A

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

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26
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 clear what is in your way.

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27
Q

You should stop driving:

A

Whenever you become sleepy.

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28
Q

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

A

Keep injured persons cool.

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29
Q

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

A

Gently putting on the brakes while driving through the water.

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30
Q

Which of these statements about drugs is true?

A

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

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31
Q

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

A

Heavy vehicles need larger gaps in traffic than cars.

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32
Q

You are driving a heavy vehicle with a 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 up the grade?

A

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

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33
Q

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

A

Slow down to a safe speed before the curve.

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34
Q

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

A

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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35
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 is most often the best action to take?

A

Steer to the right.

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36
Q

Brake fade:

A

Can be caused by the brakes getting very hot.

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37
Q

Which of these statements about engine overheating is true?

A

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

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38
Q

Which of these statements about overhead clearance is true?

A

The weight of a vehicle changes height.

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39
Q

Which of these statements about vehicle fire is true?

A

A burning tire should be cooled with water.

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40
Q

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

A

Slow down gradually.

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41
Q

Which of these statements about acceleration is true?

A

Rough acceleration can cause mechanical
damage.

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42
Q

Which of these statements about brakes is true?

A

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

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43
Q

When the roads are slippery, you should:

A

Make turns as gently as possible.

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44
Q

You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is NOT true?

A

Brake shoes should have brake fluid on them.

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45
Q

The driver’s manual 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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46
Q

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

A

1/4

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47
Q

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

A

Take your foot off the accelerator.

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48
Q

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

A

If the wheels are skidding, you cannot control your vehicle.

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49
Q

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

A

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

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50
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

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

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51
Q

In case of which fires can you use water to put it out?

A

Tire fires.

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52
Q

To help you to stay alert while driving, you should:

A

Take periodic breaks.

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53
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 into the pavement?

A

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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54
Q

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

A

Winds are especially a problem when coming out of tunnels.

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55
Q

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

A

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

56
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 you should keep in front of your vehicle to be safe?

A

4 seconds.

57
Q

What is the proper way to hold a steering wheel?

A

With both hands, on opposite sides of the wheel.

58
Q

High beams should be:

A

Used when it is safe and legal to do so.

59
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

may be a slow-moving vehicle.

60
Q

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

A

Valve clearance.

61
Q

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?

A

Stop driving as soon as you can safely do so.

62
Q

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

A

35 mph

63
Q

What is countersterring?

A

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

64
Q

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

A

You should avoid backing whenever you can.

65
Q

Which of these best describe how to use the brake pedal on a steep downhill grade?

A

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

66
Q

Which of these statements about using turn signals is true?

A

When turning, you should signal early.

67
Q

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

A

You can use the tachometer to tell you when to shift.

68
Q

Which of these statements about speed management is true?

A

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

69
Q

Retarders:

A

Can cause the driver wheels to skid when they have poor traction.

70
Q

To correct a drive wheel braking skid, you should:

A

Stop braking, turn quickly, then counter steer.

71
Q

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

A

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

72
Q

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

A

Empty truck

73
Q

How many red reflective triangles are you required to carry?

A

3

74
Q

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

A

50

75
Q

There are two types of jackknife, they are:

A

Both trailer and tractor.

76
Q

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

A

0.04

77
Q

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

A

In your pocket.

78
Q

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

A

Poor traction on drive wheels.

79
Q

Communication means:

A

To communicate your intention to other motorists.

80
Q

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

A

least one-year suspension of your CDL.

81
Q

If you are stopped at a roadside rest area and found to have a BAC (Blood Alcohol
Concentration) of 0.02 you will:

A

Be placed out of service for 24 hours.

82
Q

Which of the following statements about speed management is true?

A

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

83
Q

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

A

Look for an escape ramp or escape route.

84
Q

The center of gravity of a load:

A

Can make a vehicle more likely to tip over on curves if it is high.

85
Q

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

A

10

86
Q

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

A

Stop safely and fix the problem.

87
Q

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

A

Pump the brake pedal to generate pressure.

88
Q

Which may be a sign of tire failure?

A

Vibration.

89
Q

To prevent brake fade you should:

A

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

90
Q

A full stop is required at a railroad crossing when:

A

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

91
Q

When driving at night you should use your high beams when oncoming traffic is not within feet?

A

500

92
Q

When driving through the work zone you should:

A

Watch for sharp pavement drop off.

93
Q

Backing of the commercial vehicle is:

A

Always dangerous.

94
Q

When you are parked on the side of the road at night you must:

A

Turn on your four-way-emergency flashers to warn others.

95
Q

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

A

Within 500 feet behind you.

96
Q

Stab braking should not be used on vehicles with:

A

•Anti-lock brakes.

97
Q

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

A

It is less dangerous to drive onto the shoulders than to cause a collision.

98
Q

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

A

Cold steering.

99
Q

Most skids:

A

Are caused by going too fast or trying to stop too quickly.

100
Q

In bad weather many drivers tailgate large vehicles. What should you do?

A

Increase your following distance.

101
Q

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

A

Exhaust.

102
Q

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

A

It bleeds making the road surface slippery.

103
Q

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

A

Park the truck until the fog disappears.

104
Q

In mountain driving you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear?

A

Tire thread’s depth.

105
Q

What should you do before driving in mountains?

A

Know escape ramp locations on your way.

106
Q

Escape ramps:

A

Should be used by any driver who loses
braking power.

107
Q

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

A

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

108
Q

If you are not sure what to use to put out a hazardous material fire you should:

A

Wait for fire fighters.

109
Q

Which of these is NOT a danger of a rough acceleration?

A

Tire damage.

110
Q

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

A

Turn signals, brake lights, and four-way flashers.

111
Q

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:

A

Not move.

112
Q

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

A

50

113
Q

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

A

Parking brakes.

114
Q

How does the weight of the vehicle affect stopping distance?

A

Empty trucks take longer to stop than if
loaded, but this is not the normal case for
buses.

115
Q

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

A

Release the parking brakes as you apply
engine power.

116
Q

What is true about using a heater?

A

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

117
Q

Why is damage to the exhaust system a danger?

A

Poisonous fumes can enter the cab or sleeping compartment.

118
Q

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

A

A loss of steering control.

119
Q

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

A

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

120
Q

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

A

Are often wider than other vehicles.

121
Q

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

A

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

122
Q

Merging to the road is safest if you:

A

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

123
Q

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

A

Leave on your high beams.

124
Q

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

A

Because you cannot see, you should back slowly until you slightly bump into the dock.

125
Q

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

A

1 block

126
Q

Which of these is correct about emergency or evasive action?

A

In order to turn quickly you must have a firm grip on the steering wheel.

127
Q

What does emergency braking mean?

A

Responding to a hazard by slowing the vehicle.

128
Q

When driving in cold weather your tire tread should:

A

Provide enough traction to push the rig over wet pavement and through snow.

129
Q

Which of these is true about hauling hazardous materials?

A

Containers should be marked with four-inch diamond-shaped hazard labels.

130
Q

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

A

A double with an empty trailer.

131
Q

Why does vehicle speed naturally increase on a downgrade?

A

Gravity.

132
Q

During the vehicle inspection, checking of __ will NOT prevent a fire.

A

Battery fluid level

133
Q

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

A

Before fire happens

134
Q

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

A

Safety

135
Q

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?

A

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

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