1 . Texting while driving is especially dangerous because:

It is both a mental and physical distraction.
A message may be upsetting to the driver.
People like to read and may become too engaged in their phones.

2 . What should be done to prevent cargo from sliding?

Blocking
Freezing
Gluing

3 . Which of the following is the best advice for driving in fog?

Try not to drive in fog.
Use your high beam headlights.
Turn off your lights.

4 . Drowsy driving is most common during:

The night.
The early morning.
The mid-afternoon.

5 . Braking mechanisms are located inside:

The fifth wheel.
A brake drum.
The landing gear.

6 . Aggressive driving:

Is a new problem.
Is an old problem.
Is not a concern for most people.

7 . The tire load:

Can be exceeded in cooler conditions.
Is the maximum safe weight a tire can carry at a given pressure.
Must be written in the shipping papers.

8 . On a leaf spring:

Leaves should shift.
Leaves can be missing.
Leaves should not be broken.

9 . Retarders on a vehicle:

Increase the wear of brakes.
Reduce the wear of brakes.
Cannot be turned off.

10 . Which of the following is not a reason to cover cargo?

To protect people from spilled cargo
To protect the cargo from weather
To keep the cargo a secret

11 . If driving so slowly that you could impede other drivers, you should:

Stay in the left lane.
Drive while using your four-way flashers.
Wave an arm out the window.

12 . Be sure that your wheel bearing/seals are:

Not leaking.
Shiny.
Rusted.

13 . When using your turn signal, you should:

Signal before beginning the turn.
Turn the signal off before beginning the turn.
Signal only if vehicles are in front of you.

14 . Hanging meat:

Should never be transported by trailer.
Can be an unstable load.
Must be approved by the Environmental Protection Agency (EPA).

15 . An application pressure gauge shows:

How much air pressure is being applied to the brakes.
How much air pressure is available.
How much air pressure is required to stop a vehicle.

16 . You will often have to drive your vehicle under bridges and overpasses. If approaching such an opening, you should:

Assume the posted clearance height is accurate.
Assume the posted clearance height is inaccurate.
Measure the height of the opening before proceeding.

17 . Texting while driving is:

Safer than talking on the phone while driving.
About as safe as talking on the phone while driving.
More distracting than talking on the phone while driving.

18 . When driving a truck requiring a CDL:

You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You must always wear a seat belt.

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

Six to seven
Seven to eight
Eight to nine
Four to five

20 . Without the proper amount of oil in its engine:

A vehicle will have difficulty stopping.
A vehicle will make quick, jerking movements while being driven.
The engine may be quickly damaged.

21 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.

Green
Blue
Yellow

22 . If mirrors are dirty before starting a trip:

They will likely become clean after driving a short distance.
It should not be a concern.
They should be cleaned before the vehicle is driven.

23 . You may:

Have more than one license if one is for business purposes.
Have more than one license if they are issued by different states.
Not have more than one license.

24 . An out-of-service order:

Prevents a vehicle from being used until problems are resolved.
Prevents cargo from being loaded onto a vehicle.
Requires a payment of $500.

25 . During a vehicle inspection test, the applicant will be asked to:

Complete a full vehicle inspection to determine the safety of the vehicle.
Repair a damaged tire.
Fuel the vehicle.

26 . Talking on a hands-free cell phone:

Is not a distraction from driving.
Can be a distraction from driving.
Allows the driver to eat while driving.
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27 . A turn signal should be used well in advance of a turn:

So the driver does not forget to signal.
So other drivers will not attempt to pass the turning vehicle.
So other drivers may use the full lane.

28 . What is a Gross Vehicle Weight Rating (GVWR)?

The value stated by the manufacturer as the loaded weight of a single vehicle
The rating of a tire
The rating of a combination vehicle per axle

29 . If the air pressure in an air brake system becomes too low, it may:

Cause the brakes to lock up.
Cause the brakes to stop working.
Cause the brakes to pulsate when used.

30 . What is often found in compressed air?

Water
Cardboard
Brake fluid

31 . A hazardous materials endorsement will be revoked if a person:

Gets a speeding ticket.
Is involved in an accident.
Renounces their United States citizenship.

32 . Confused drivers:

Often change direction suddenly.
Often turn on their emergency flashers to warn other drivers.
Often look like other drivers.

33 . When making a left turn, you should start the turn:

Before reaching the center of the intersection.
No sooner than the center of the intersection.
After your rear wheels have passed the center of the intersection.

34 . Emergency equipment, such as fire extinguishers, are:

Only needed in vehicles transporting hazardous materials.
Only needed for interstate travel.
Required in all commercial motor vehicles.

35 . A cracked rim should be:

Repaired by welding.
Relocated to one of a pair of dual tires.
Replaced.

36 . Blocking is used to:

Keep cargo in a large box.
Prevent cargo from sliding in a trailer.
Prevent cargo from falling out of a trailer.

37 . When transporting a load, you should inspect the cargo:

Only before starting to drive.
At the end of each day.
Every time you take a break.

38 . When using a fire extinguisher on a fire, you should:

Get as close to the fire as possible.
Stand as far away from the fire as possible.
Aim the extinguisher at the top of the fire.

39 . Which of the following is not a cause of hydraulic brake failure?

Loss of hydraulic pressure
Brake fade on long hills
Downshifting

40 . If a vehicle is equipped with a retarder and the vehicle's drive wheels have poor traction:

The wheels will be more likely to skid.
The wheels will have improved traction.
The wheels will lock up.

41 . When a vehicle is started, the coolant temperature should:

Decrease.
Rise slowly.
Hold steady.

42 . When it’s difficult to see, such as at dawn or dusk, a driver can increase their vehicle's visibility by:

Driving while using their lights.
Driving with their windows open.
Flashing their lights periodically.

43 . If a driver has stopped on the road and is placing triangles to warn other motorists:

The triangles should be held between the driver and oncoming traffic.
The triangles should be carried behind the driver's back to prevent them from being seen by other drivers until they are placed.
The triangles should be held as low as possible.

44 . Which of the following is a sign that brakes will need repair?

Brake pads are not covered in grease.
Brake pads are not covered in oil.
Brake shoes are worn thin.

45 . If convicted of speeding in their personal vehicle, a CMV driver:

Will be unaffected at work.
Will lose their CDL.
Must report the conviction to their employer.

46 . If approaching a railroad crossing that is being approached by a train, you should:

Try to cross the tracks quickly.
Drive around any lowered gates.
Stop and wait for the train to pass before beginning across the tracks.

47 . Once cargo is secured onto a vehicle:

You do not need to inspect the cargo.
You should not let others inspect the cargo.
You should check the cargo every 150 miles.

48 . Tires with tread separation are:

Acceptable if placed on the rear of the vehicle.
Acceptable when transporting lighter loads.
Not acceptable.

49 . Mirrors should:

Not be used, except when backing.
Be used only when entering a highway.
Be used regularly.

50 . Which of the following is not common characteristic of a roadway in a work zone?

A level road surface
Narrowed lanes
Sharp turns and corners