1 . When inspecting the exhaust system for defects, which of the following should be fixed?

Missing mounting brackets or clamps
A broken exhaust pipe, muffler, or tailpipe
Leaking exhaust system parts
All of the above

2 . When traction is poor, a driver should accelerate slowly:

Because it is best to always accelerate very slowly.
So they do not lose control of their vehicle.
So the driver does not accelerate faster than the vehicle ahead.
To be the last vehicle through an intersection.

3 . Pressing and releasing a brake pedal unnecessarily can:

Release air faster than it can be replaced.
Add more air to the braking system.
Make the brake pedal more sensitive.
Create a loud noise.

4 . When approaching a railroad crossing:

You will likely be able to outdrive a train.
You should not rely only on warning signals.
You should roll a window down to listen for an approaching train.
You should only worry about the track closest to your vehicle.

5 . You should cover cargo:

To protect the cargo from thieves.
To protect the cargo from weather.
To prevent other drivers from looking at what is being transported.
To keep the cargo a secret.

6 . What is a Gross Vehicle Weight Rating?

The maximum weight stated by the manufacturer as the loaded weight of a single vehicle
The maximum weight that can be pulled by a single vehicle
The minimum weight that can be hauled by a single vehicle
The maximum amount that can be loaded onto a single trailer

7 . Some air brake systems use alcohol:

To reduce the risk of ice forming in air brake valves.
To make the compressor run more efficiently.
To lubricate parts of the braking system.
To reduce the risk of rust forming on air brake valves.

8 . A person can be denied a CDL because:

They are a habitual user of alcoholic beverages.
They are not liked by the person administering the test.
They have a speeding ticket on their record.
They work for a city government.

9 . While driving downhill, you should brake until you reach a speed that is ____ below your safe speed, then release the brake pedal.

5 mph
10 mph
15 mph
20 mph

10 . The maximum speed limit on an open highway, unless otherwise posted, is:

55 mph.
60 mph.
65 mph.
70 mph.

11 . If you are unsure if there is enough space for your vehicle to safely travel under a bridge, you should:

Speed up.
Swerve as you pass under the bridge.
Slow down.
Drive on the shoulder.

12 . A cargo cover that flaps in transit:

Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.

13 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine

14 . When pulled off on the side of the road, a driver should:

Keep the driver’s side door open.
Turn on their emergency flashers.
Wave their arms.
Turn off all lights.

15 . When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

To see if the vehicle is on an incline.
To see if there are any fresh fluids under the vehicle.
To see if the vehicle is in a parking spot.
To see if the vehicle is on a decline.

16 . Skids caused by acceleration can usually be resolved by:

Speeding up.
Taking your foot off the accelerator.
Coming to a complete stop.
Switching into a higher gear.

17 . An Anti-Lock Braking System (ABS):

Decreases your braking distance.
Increases your braking distance.
Creates a loud squeaking noise when being used.
Helps to ensure control while braking.

18 . Tires of mismatched sizes:

Can be used only on a front axle.
Can be used only on a trailer's axles.
Should be corrected before driving.
Improve fuel economy.

19 . Which of the following determines your blood alcohol concentration (BAC)?

How much you drink
How frequently you drink
The temperature of the drink
The color of the drink

20 . What kind of force must emergency brakes use?

Air pressure
Mechanical
Heavy
Electrical

21 . When preparing to enter traffic, you should do all of the following, except:

Wait for a large gap between vehicles.
Be prepared for your vehicle to accelerate slowly, especially if it is loaded.
Make sure you can completely cross traffic, if necessary, without interfering with traffic.
Assume other drivers will make room for your much larger vehicle.

22 . How many points will be added to your driving record for littering?

One
Two
Three
Four

23 . If being tailgated, you should:

Drive in the left lane.
Drive in the right lane.
Speed up.
Drive on the shoulder.

24 . What do anti-lock brakes do?

Help a driver avoid wheel lockup
Lock up the front wheels
Prevent a vehicle from accelerating while traveling uphill
Prevent a vehicle from accelerating while traveling downhill

25 . After starting the engine, oil pressure should reach a normal level:

Within a few seconds.
After about a minute.
After about four minutes.
Within 10 minutes of driving.

26 . To stop a vehicle using air brakes:

The brake pedal should be pressed.
The brake pedal should be lifted.
The brake knob should be pulled out.
The brake knob should be pushed in.
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27 . How many points must be on your record for your driving privileges to be suspended?

10
12
18
21

28 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.

29 . When starting a trip while transporting a load, the driver should:

Stop to check on the cargo within the first 50 miles of the trip.
Drive faster than usual to test the security of the load.
Only use the side mirrors to check on the cargo.
Not recheck the cargo if it was secured properly before starting the trip.

30 . How is the parking brake released?

By tapping on the brake pedal three times
By pushing in the brake control knob
By engaging the accelerator
By tapping the accelerator twice

31 . The maximum speed limit on an interstate, unless otherwise posted, is:

55 mph.
60 mph.
65 mph.
70 mph.

32 . If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.

33 . Parts of an exhaust system should be:

Loose.
Leaking.
Fastened securely.
Cracked.

34 . When driving, it is important to:

Keep your attention focused in front of your vehicle.
Look only to the front and right side of your vehicle.
Look only to the front and sides of your vehicle.
Look to the front, sides, and rear of your vehicle.

35 . If an aggressive driver is involved in a crash on the road ahead of you, you should:

Block the driver in with your vehicle.
Stop after the crash scene and report the driver’s aggressive behavior to the police.
Continue driving and mind your own business.
Pull over and yell at the driver.

36 . How much water is needed on a road surface for a vehicle to hydroplane?

Usually several inches
A good amount, such as a large puddle
A small amount
No water

37 . A person working on a disabled vehicle on the shoulder of a road:

Will likely pay attention to traffic on the road.
May be focused on the repair and not paying attention to roadway traffic.
Is exempt from traffic laws.
Should not be assisted.

38 . If turning to avoid a hazard:

You should brake hard.
You should not brake as it could cause the wheels to lock.
You should turn the wheel very sharply.
You should hold down the brakes until you are past the hazard.

39 . Dollies equipped with ABS are required to have malfunction lamps located where?

On the rear
On the left side
On the front
On the top

40 . When alley docking, your vehicle should be parked:

With the front bumper on top of the front boundary line.
With the rear wheels over the rear boundary line.
Straight within the boundaries of the parking space.
At an angle within the boundaries of the parking space.

41 . The maximum speed limit in a school zone where children are present, unless otherwise posted, is:

15 mph.
25 mph.
30 mph.
40 mph.

42 . A danger of a large truck swerving to avoid a hazard is:

The truck may miss the object.
The truck may flip over.
The truck may stay in the same lane.
Other vehicles may do the same thing.

43 . The minimum age a CDL applicant may be is:

15 years old.
18 years old.
22 years old.
25 years old.

44 . Distracted driving:

Is not a concern.
Only happens when drivers are physically doing something, like using a cell phone.
Can occur due to mental activities, such as daydreaming.
Is encouraged on uncrowded roads.

45 . When inspecting cargo, the driver should do all of the following, except:

Ensure that the truck is not overloaded.
Ensure that the cargo is balanced.
Ensure that the cargo is secured properly.
Ensure that the breakable items are placed under heavier items.

46 . When loading a trailer, weight should be:

Placed as high as possible.
Placed as low as possible.
Placed only on the left side, if possible.
Placed only on the right side, if possible.

47 . If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:

The truck should not be driven because ABS needs to be on both the tractor and trailer.
The truck should be driven more slowly than usual.
The tractor should not be used and a new tractor with ABS should be located.
The tractor and trailer can still be used together.

48 . Steering that feels heavy is often a sign of:

Rear tire failure.
Front tire failure.
A shifting load.
The coolant overheating.

49 . When leaving your vehicle, you should:

Apply the parking brake.
Apply the air brakes.
Not apply any brake.
Disconnect the trailer.

50 . Sending text messages while driving:

May be done if the messages are short.
Is encouraged.
Is permitted if you are asking a question of your employer.
Is not permitted.