Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DMV CDL > DMV CDL General Knowledge > Flashcards

DMV CDL General Knowledge Flashcards

1
Q

Water can be used to extinguish which of the following fires?

A

Tires

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Suspension systems…..

A

Keep the axels in place

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When roads are slippery, you should….

A

Make turns as gently as possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What should you do when your vehicle hydroplanes

A

Release the accelerator and push in the clutch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When is the road more likely to be more slippery

A

When it has just begun to rain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

All drivers who need a CDL must take the

A

General knowledge test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If you’re required to keep a log of your time

A

Any flaw agent my inspect it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

You are testing the stopping action of service breaks on a hydraulic system. Which of these can mean there is a problem?
-the brake pedal goes to the floor
-stopping action is delayed
-the vehicle pulls to one side when the brake pedal is pressed

A

All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

At 55 mph it takes about 6 seconds to stop a fully loaded truck and the braking distance is…..

A

About the length of a football field or 100 yards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

By law you must have your vehicle lights on…

A

One half hour after sunset until one half hour before sunrise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Normal clutch travel is

A

About 1 to 2 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following statements about stopping distance is not true

A

Brakes, tires, springs, shocks and designed to work best when the truck is empty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Top correct a drive wheel braking skid you should

A

Release the brake and steer/counter steer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the statements about using turn signals is true?

A

When turning, you should signal early

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

When going downhill you should always

A

Be in the right gear before starting down hill

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of these is a sign of tire failure?
-steering that feels heavy
-vibration
-loud bang

A

All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The amount of liquid to load into a tank depends on
-the weight of the liquid
-the legal weight limits
-the total amount of liquid will expand in transit

A

All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which of these statements about brakes is true

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

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

A

12-15 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

You do not have a hazardous materials endorsement on your commercial drivers license. When can you drive a vehicle hauling hazardous materials

A

Only when the vehicle does not require placards

22
Q

When backing up the tractor trailer, try to avoid

A

Backing toward the right (passenger) side

23
Q

How much space should you maintain in from the of you at a speeds 45 mph or above?

A

7 seconds for a 60 foot vehicle

24
Q

How often should you check your cargo
-within 25 miles after beginning a trip
-after you have driven for 3 hours
-after you take a break

A

All of the above

25
Q

Rust around wheel nuts often means that

A

The nuts are loose

26
Q

which of pieces of emergency equipment should be carried at all times in your vehicle?
-fire extinguishers
-warning devices
-spare electrical fuses (if vehicle uses them)

A

All of the above

27
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 time?

A

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

28
Q

Retarders….

A

Can cause the vehicle to skid when the road is slippery

29
Q

Which of the following are causes of vehicle fires
-spilled fuel
-short circuits
-drivers smoking

A

All of the above

30
Q

The key principal in balancing cargo weight is to keep the load

A

Balanced in the cargo area

31
Q

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

A

A lower gear than you would use to climb the hill

32
Q

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

A

Stop driving and park where it is safe to do so

33
Q

while driving you see a small ( 1 foot square) cardboard box ahead in your lane, you should?

A

Steer around it when safe to do so

34
Q

When driving highway speeds, you should look 12-15 seconds ahead which is

A

At least a quarter of a mile

35
Q

the best way to put out a fire is to

A

Stand upwind and spray the base of the fire

36
Q

Which of these statements about double clutching and shifting is true

A

You can use the tachometer to tel you when to shift

37
Q

You should use your mirrors to check

A

All of the above
( traffic gaps before you merge, the condition of the tries and cargo, where the rear of your vehicle is while you make turns)

38
Q

You are driving a vehicle that could safely be driven at 55 mph on an open road. But traffic is now heavy, moving 35 mph although the speed limit is 55 mph. The safest speed for your vehicle in this situation is most likely

A

35 mph

39
Q

Is it legal to drive with 1/4th of a vehicle’s leaf springs broken or missing?

A

NO

40
Q

You are driving a 40 foot vehicle at 45 mph. Driving conditions are ideal (dry pavement, good visibility) what is the least amount of space that you should keep in front of your vehicle to be safe?

A

5 seconds

41
Q

What is the first thing to do if your vehicle catches fire while driving

A

Pull off the road and park in an open area

42
Q

Which of these describes how you should use the brake pedal on a steed 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 braking again ( bring your speed down 5 mph below your safe speed)

43
Q

Your vehicle is going don a long hill and your brakes begin to fail. What should you do?

A

Look for an escape ramp or an escape route

44
Q

Hydroplaning can occur when your drive through water or slush. If you experience hydroplaning you should.

A

Release the accelerator and push in the clutch

45
Q

A vehicle masked at the rear with a red triangle having an orange center

A

Is moving slowly

46
Q

While driving, ice builds up on your whispers and they no longer clear the windshield you should

A

Pull over in a safe place and remove the ice.

47
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 proceed

A

Come to a complete stop, if possible, before continuing back onto the road.

48
Q

How do you test hydraulic brakes for leaks

A

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

49
Q

Which of these can cause the vehicle to skid?
-Not enough weight on the front axel
-over acceleration
-turning too sharply

A

All of the above

50
Q

At 55 mph it takes about 6 seconds to stop a fully loaded truck and the braking distance is

A

About the length of a football field or 100 yards

DMV CDL (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions