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CDL Prep > Pt 1 > Flashcards

Pt 1 Flashcards

1
Q

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

signal and change lanes to avoid hazard

honk your horn and stay close behind the car

slow down to prevent a crash

A

honk your horn and stay close behind the car

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2
Q

a full stop is required at a railroad crossing when:

the crossing is in the city or town with frequent train transit

there is no flagman, warning signals or gate at the crossing

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

A

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

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3
Q

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

to the rear

balanced in the cargo area

to the front

A

balanced in the cargo area

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4
Q

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

you should always keep firm grip on the steering wheel with both hands

the horn is not a good way to let others know you are there

it can startled other drivers

A

it can startled other drivers

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5
Q

after starting the engine:

the coolant temperature gauge should begin a gradual rise to normal

the oil pressure gauge should take 3-5 minutes to rise to normal

the engine temperature gauge will take 3-5 minutes to rise to normal

A

the coolant tempter gauge should begin a gradual rise to normal

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6
Q

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

judgment and self-control are affected

the drinker more clearly sees how alcohol is affecting him/her

the effects of alcohol decrease

A

judgment and self-control are affected

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7
Q

Controlled braking:

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

can be used when you are turning sharply

involves locking the wheels for a short period of time

A

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

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8
Q

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

25

50

10

A

50

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9
Q

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

hold the triangles between yourself and oncoming traffic

turn on your flashers

keep them out of sight while you walk to the spots where you set them out

A

hold the triangles between yourself and oncoming traffic

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10
Q

high beams should be:

dimmed at the time when you get within 100 feet of another vehicle

used when it is safe and legal to do so

turned on when oncoming driver does not dim his/her lights

A

used when it is safe and legal to do so

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11
Q

how do you correct a drive-wheel acceleration skid?

apply more power to wheels

stop accelerating

downshift

A

stop accelerating

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12
Q

how does the weight of the vehicle affect stopping distance?

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

fully loaded trucks take longer to stop, or the buses loaded with passengers take less distance than empty ones

if brakes work, weight will have no effect on stopping distance

A

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

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13
Q

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

12-15 seconds

18-21 seconds

5-8 seconds

A

12-15 seconds

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14
Q

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

1 second for each 20 feet of vehicle length

1 second for each 30 feet of vehicle length

1 second of each 10 feet of vehicle length

A

1 second of each 10 feet of vehicle length

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15
Q

Hydroplaning:

cannot occur when driving through a puddle

only occurs when there is a lot of water

is more likely if tire pressure is low

A

is more likely if tire pressure is low

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16
Q

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

go straight ahead even if the steering wheel is turned

slide sideways and spin out

go straight ahead but will turn if you turn the steering wheel

A

go straight ahead even if the steering wheel is turned

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17
Q

If you are being tailgated, you should:

flash your brake lights

signal the tailgater when it is safe to pass you

increase your following distance

A

increase your following distance

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18
Q

If you are convicted of driving a commercial vehicle under the influence of alcohol or drugs you will lose your CDL for ___

2 years

6 months

1 year

A

1 year

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19
Q

If you have to make a vehicle inspection report you must sign

only when defects are noted that are certified to not need repair

only when when defects are noted that are certified to be repaired

when any defects are noted whether they are certified to be repaired or not

A

when any defects are noted whether they are certified to be repaired or not

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20
Q

if you must cross into the oncoming lane to make a turn, you should:

back to allow the oncoming traffic to pass

watch for an oncoming traffic

complete you turn without stopping

A

watch for an oncoming traffic

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21
Q

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

avoid braking until your speed has dropped to about 20mph

avoid shoulder because most will not support a large vehicle

try to get all wheels off the pavement

A

avoid braking until your speed has dropped to about 20mph

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22
Q

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

the length of the grade

tire tread’s depth

the weight of the load

A

tire tread’s depth

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23
Q

most skids:

happen on ice

are caused by going too fast or trying to stop too quickly

do not happen with radial tires

A

are caused by going too fast or trying to stop too quickly

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24
Q

one can recognize hazardous materials by looking on the container:

labels

covers

shapes

A

labels

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25
Q

the bridge formula:

permits the same maximum axle weight for any axle

permits less maximum axle weight for axles that are closer together

permits less maximum axle weight for the axles that are far apart

A

permits less maximum axle weight for axles that are closer together

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26
Q

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

1/8
1/4
1/2

A

1/4

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27
Q

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

1 block

2 blocks

1/2 block

A

1 block

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28
Q

the primary cause of fatal crashes is:

driving too fast

driving at night

driving while eating

A

driving too fast

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29
Q

The purpose of the retarders is to:

help slow the vehicle while driving and reduce brake wear

apply extra braking power to the non-drive axles

help prevent skids

A

help slow the vehicle while driving and reduce brake wear

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30
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?

stop driving as soon as you can safely do so

keep varying your speed by accelerating and braking

downshift to stop

A

stop driving as soon as you can safely do so

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31
Q

To determine blood alcohol concentration level for a person, is it necessary to know:

how often they drink alcohol

their weight

their age

A

their weight

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32
Q

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

schedule trips for hours that you are normally asleep

take periodic breaks

take cold medicine if you have a cold

A

take periodic breaks

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33
Q

tourists may be hazardous because?

they may move slowly, unexpectedly change lanes or stop

they drive rented cars

police do not fine them

A

they may move slowly, unexpectedly change lanes or stop

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34
Q

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

there are blind spots that your mirror cannot show

you should look at a mirror for several seconds at a time

convex mirrors makes things look larger and closer than they really are

A

there are blind spots that your mirror cannot show

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35
Q

Which of these is true about hauling hazardous materials?

such a load should be marked with a four-inch circle, red colored labels on the containers

cylinders with compressed gases should be transported under covers if there is no label on them

containers should be marked with four-inch diamond-shaped hazard labels

A

containers should be marked with four-inch diamond-shaped hazard labels

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36
Q

Which of these is true about mirror adjusting?

you should adjust you mirrors before starting the trip

the mirrors could be adjusted correctly even if the trailer is not straight

you should adjust you mirrors while driving

A

You should adjust you mirrors before starting the trip

37
Q

Retarders

can cause the driver wheels to skid when they have poor traction

work when you apply the brake pedal

causing extra brake wear

A

can cause the driver wheels to skid when they have poor traction

38
Q

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

park the truck until the fog disappears

alternate you own high beams to improve your vision

do not drive too slowly or other drivers may hit you

A

park the truck until the fog disappears

39
Q

what is the proper way to hold a steering wheel?

with both hands, on opposite sides of the wheel

with both hands close together, near the bottom of the wheel

with both hands close together, near the top of the wheel

A

with both hands, on opposite sides of the wheel

40
Q

Which of these is true about tires and hot weather?

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

a small amount of air could be let out, but air pressure remains stable

if a tire is too hot to touch, you should drive on it to cool it off

A

you should inspect your tired every two hours or every 100 miles when driving in very hot weather

41
Q

What is true about bad weather and driving conditions?

when the temperature drops, the bridges freeze before the road

driving conditions became more dangerous when temperature arises above freezing

the road is more slippery when the rain continues than when rain begins

A

when the temperature drops, the bridges freeze before the road

42
Q

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

a half-hour break for coffee will do more to keep you alert than a half-hour nap

if you must stop to take a nap, it should not be at a truck stop or other rest area and never on the side of the road

sleep is the only thing that can overcome fatigue

A

sleep is the only thing that can overcome fatigue

43
Q

When a coolant container is part of a pressurized system which of these is true?

the radiator cap can be safely removed, and coolant added while the engine is hot

you can check the coolant level of a hot engine

you never need to check the antifreeze in such a system

A

you can check the coolant level of a hot engine

44
Q

when are helpers needed to back your vehicle?

whenever you have to back

only if you have a trailer on your vehicle

only if you need to park

A

whenever you have to back

45
Q

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

400

500

300

A

500

46
Q

When driving at night, you should:

adjust your speed to keep your stopping distance within you sight distance

deem your lights within 300 feet of an oncoming vehicle

look to the left side of the road when a vehicle is coming toward you

A

adjust your speed to keep your stopping distance within you sight distance

47
Q

When driving in cold weather your tire tread should ___

be double the depth required in normal weather

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

be checked every 100 miles or every two hours

A

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

48
Q

when going down a long steep downgrade you should always:

use the braking effect of the engine

brake when you exceed safe speed by 5mph

use controlled braking

A

use the braking effect of the engine

49
Q

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

only when the fire happens

only when you re transporting flammable materials

before the fire happens

A

before the fire happens

50
Q

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

poor traction on drive wheels

wheel lockup

damage to steering axle

A

poor traction on drive wheels

51
Q

When should you test your parking brakes?

when backing

while the vehicle is parked

while moving at a low speed

A

while the vehicle is parked

52
Q

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

slow acceleration

a tire check

parking brakes

A

parking brakes

53
Q

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

1/3

1/2

1/4

A

1/2

54
Q

Which may be a sign of tire failure?

a loud hissing noise

wheels skidding

vibration

A

vibration

55
Q

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

cold steering

vehicle’s fishtail

steering wheel twisting

A

cold steering

56
Q

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

you should back and turn toward the driver’s side whenever it is possible

you should use a helper and communicate with him with hand signals

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

A

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

57
Q

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

steer with one hand so that you can turn the wheel more quickly

don’t turn any more than needed to clear eat is in your way

apply the brakes while turning

A

don’t turn any more than needed to clear eat is in your way

58
Q
A
59
Q

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

Damage of a coupling

Tire damage

Mechanical damage

A

Tire damage

60
Q

Which of these is true about using drugs while driving

use of amphetamine is allowed if you are using this drug to stay alert

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

prescription or non-prescription drugs are allowed at any time of driving

A

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

61
Q

which of these rigs has a higher chance to off-track while making a turn?

tractor with two 27-feet trailers

53-feet straight truck

tractor with 45-feet trailer

A

tractor with 45-feet trailer

62
Q

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

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

oversize load can be hauled without special permit during times when the roads are not busy

when liquids are hauled, the tank should always be loaded totally full

A

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

63
Q

Which of these statements about cold weather driving is true?

exhaust system leaks are less dangerous in cold weather

windshield washer antifreeze should be used

an engine cannot overheat when the weather is very cold

A

windshield washer antifreeze should be used

64
Q

Which of these statements about downshifting is true?

when double-clutching, you should let the rpm’s decrease while the clutch is released, and the shift lever is in neutral

when you downshift for a hill, you should do so after you start down the hill

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

A

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

65
Q

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

the vehicles tail lights should be kept on to warn other drivers

you must put out your emergency warning devices within 5 minutes

if a hill or cut keeps drivers behind you from seeing the vehicle within 500 feet, the reflective triangle should be moved back to give adequate warning

A

if a hill or cut keeps drivers behind you from seeing the vehicle within 500 feet, the reflective triangle should be moved back to give adequate warning

66
Q

which of these statements about speed management is true?

when you double your speed, it will take twice the distance to stop

empty trucks always stop in a shorter distance than fully loaded

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

A

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

67
Q

Which of these statements is true?

most hazards are easier to see at night than during the day

most people are more alert at night than during the day

many heavy vehicle accidents occur between midnights and 6am

A

many heavy vehicle accidents occur between midnights and 6am

68
Q

why is damage to the exhaust system a danger?

poisonous fumes can enter the cab or sleeping compartment

you can pollute the air with the exhaust smoke

noise can damage the driver’s ear

A

poisonous fumes can enter the cab or sleeping compartment

69
Q

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

rust around wheel nuts may mean that they are loose

mismatched lock rings can be used on the same vehicle

a vehicle can be safely driven with one missing lug nut on a wheel

A

rust around wheel nuts may mean that they are loose

70
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?

keep the clutch slipping while slowly accelerating

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

let the vehicle roll backwards a few feet before you engage the clutch but turn the wheel so that the back moves away from the roadway

A

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

71
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?

the same gear you would use to climb the hill

a lower gear than you would use to climb the hill

a higher gear than you would use to climb the hill

A

a lower gear than you would use to climb the hill

72
Q

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

2/32-inch tread depth is safe for front tired

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

radial and bias-ply tires can be used together on the same vehicle

A

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

73
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?

twice the length of the vehicle

the length of a football field

half the length of a football field

A

the length of a football field

74
Q

you are driving in an area with few streetlights, if you cannot see well with your headlights, which of the actions may help:

find another route that is better lit even if it is out of your way

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

turn you interior lights on and adjust your instrument lights

A

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

75
Q

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

begin light braking

begin emergency braking

stay off the brake until the vehicle has slowed down

A

stay off the brake until the vehicle has slowed down

76
Q

You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. What is the best action to take?

steer onto the left shoulder

hand braking

steer to the right

A

steer to the right

77
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:

not move

sink to the floor

depress slightly

A

not move

78
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:

haul the load but file a report with the DOT after the trip

haul the load but only to the nearest place where a driver with a Hazmat endorsement can take over

refuse to haul the load

A

refuse to haul the load

79
Q

you may hang up on a railroad track if:

the tracks have a steep approach

you try to shift gear when crossing

if you cross the double tracks too slowly

A

the tracks have a steep approach

80
Q

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

as far as necessary so others can see you

within 200 feet behind you

within 500 feet behind you

A

within 500 feet behind you

81
Q

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

cross railway tracks

park on the side of the road

drive through the mountains

A

park on the side of the road

82
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?

gently putting on the brakes while driving through the water

turning on your brake heater

applying hard pressure on both the brake pedal and accelerator after coming out of the water

A

gently putting on the brakes while driving through the water

83
Q

You should stop driving:

after 9 hours

whenever you become sleepy

after 5 hours

A

whenever you become sleepy

84
Q

you should try to park so that:

you can pull forward when you leave

your vehicle is parked by trees

park along curb next to another vehicle

A

you can pull forward when you leave

85
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?

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

shifting into neutral will help to slow the vehicle

the parking brake will not work either because it is a part of the same hydraulic system

A

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

86
Q

Your vehicle will be put out of service is ___ or more leaves in any leaf spring are missing

1/3

1/2

1/4

A

1/4

87
Q

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

move severely injured person if there is a danger due to fire or passing traffic

if a qualified person is helping them, stay out of the way unless asked to assist

keep injured persons cool

A

keep injured persons cool

88
Q

Which of these statements about drugs is true?

amphetamines can be used to help the driver stay alert

a driver can use any prescription drugs while driving

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

A

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

89
Q

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

the best way to cross the traffic is to pull the vehicle partway across the road and block one lane while waiting for the other to clear

heavy vehicles need larger gaps in traffic than cars

because heavy vehicles are easy to see, you can count on other drivers to move out of your way slow down for you

A

heavy vehicles need larger gaps in traffic than cars

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