1 . During a basic vehicle control skills test, a look is when:

A driver checks the gauges on their instrument panel.
A driver checks their blind spots.
A driver walks to the back of their vehicle to check its position.

2 . A bridge formula:

Permits less weight per axle for axles that are close together.
Permits more weight for trucks.
Is not a concern for drivers.

3 . 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

4 . 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.

5 . 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.
When tank pressure falls below 5 psi.

6 . When drivers turn, they usually:

Look in the direction of the turn.
Look in the direction opposite the turn.
Look behind their vehicles.

7 . When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:

Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.

8 . If there is a cargo fire in a box trailer:

The trailer doors should be opened.
The trailer doors should not be opened.
A large, heavy blanket should be put over the trailer.

9 . What do air brakes use to make the brakes work?

Compressed air
Outside air
Non-compressed air

10 . On low bridges:

Height warnings must always be posted.
Height warnings must be posted at least twice.
Height warnings may be posted, but do not have to be.

11 . During the vehicle inspection test, you must be able to do all of the following, except:

Show where the power steering fluid dipstick is located.
Check for adequate power steering fluid.
Ensure that the power steering fluid level is above the full mark.

12 . What does the air compressor governor do?

It stops the compressor from pumping air.
It turns on the air compressor.
It stores the compressed air.

13 . A new resident has ____ to change their CDL to an Arizona license after moving to Arizona.

One day
One week
30 days

14 . If driving a new vehicle, you should familiarize yourself with the controls:

Before you start driving.
As you drive.
If you feel like you need to.

15 . Who is responsible for cargo that has been loaded onto a truck?

The person who loaded the truck
The supervisor of the company
The truck driver

16 . If involved in an accident, which of the following is not recommended?

Trying to move your vehicle to the side of the road
Caring for the injured
Driving away from the scene

17 . On a curve, the posted speed limit:

Is safe to be driven in any vehicle.
Can still permit a vehicle to tip over.
Is understood to be the minimum legal speed limit.

18 . An alcohol evaporator is especially important:

In cold weather.
In hot weather.
In dry weather.

19 . When it is difficult to see other vehicles, such as at dawn or dusk, you should:

Keep your lights off.
Turn your lights on.
Drive on the shoulder.

20 . When making a lane change, your turn signal:

Should always be used.
Should only be used if there is traffic present.
Should only be used between dusk and dawn.

21 . For safety purposes, when should you turn off a retarder?

When the roadways are slippery
When you have a passenger
When you are carrying a heavy load

22 . When an engine is running, an acceptable oil pressure would be:

10 psi.
50 psi.
110 psi.

23 . What does a vehicle inspection report do?

Tells the motor carrier about problems that may need fixing
Ensures that the vehicle is inspected regularly
Holds drivers accountable for inspecting the vehicle

24 . When driving in winter, which of the following should receive extra attention in a pre-trip inspection?

Coolant and antifreeze levels
The air conditioning unit
The oil pressure

25 . Texting while driving should:

Only be done on straightaways.
Only be done in curves.
Not be done.

26 . Hydroplaning happens most often when:

A vehicle is traveling faster than 60 mph.
Tire pressure is too low.
Tire tread is too deep.
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27 . If your vehicle has air brakes, you must have ____ endorsement to operate the vehicle.

A tank
A passenger
An air brakes

28 . One way to prevent fatigue on long trips is to:

Take frequent breaks.
Text while driving.
Drink caffeine.

29 . When loading cargo, it is important to:

Stack items as high as possible.
Know the weight capacity rating of the suspension system.
Place light items underneath heavier items.

30 . Committing two serious traffic violations within a three-year period will result in:

Losing your CDL for at least 60 days.
Losing your CDL for two years.
Losing your CDL for 10 years.

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

Is not available for vehicles with air brakes.
Is not helpful in most driving situations.
Can help you maintain control when braking.

32 . What color malfunction lamps do vehicles equipped with ABS have?

Green
Yellow
Blue

33 . When carrying a sealed load, a driver:

Should unseal the load to ensure safety.
Should ensure the weight does not exceed weight limits.
Must go through the container before driving.

34 . Rims with welding repairs:

Are not safe to be used.
Are acceptable to be used on tires on the rear of a vehicle.
Are acceptable to be used only when carrying a heavy load.

35 . Cargo should be covered:

To protect people from spillage.
To hide the materials.
To make it more difficult to steal.

36 . Texting while operating a CMV is:

Illegal.
Acceptable on rural roads.
Acceptable for drivers contacting their employers.

37 . A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.

1/32 of an inch
2/32 of an inch
4/32 of an inch

38 . Roads are the most slippery right after it begins to rain because:

The water mixes with the oil and grease on the road that have not yet washed away.
Roads are naturally slippery.
The gravel gets washed into the middle of the lane.

39 . For a hazardous materials endorsement, an applicant will be required to:

Provide their fingerprints and undergo a background check.
Provide employment history from the last five years.
Provide a list of countries visited within the last 10 years.

40 . Bridges usually:

Do not freeze.
Have heaters to prevent them from freezing.
Freeze before other surfaces.

41 . When stopping a manual transmission vehicle, you should:

Push the clutch in when the engine is close to idle.
Push the clutch out when the engine is close to idle.
Shift into neutral when the engine is close to idle.

42 . Brakes out of adjustment will:

Work properly.
Cause some of the brakes to overwork and malfunction.
Allow better acceleration.

43 . During a basic vehicle controls skills test exercise, your vehicle's final position should be:

In the general area that was described by the examiner.
In the exact final position described by the examiner.
Within three feet of the final position described by the examiner.

44 . To get a CDL, you must pass:

A knowledge test.
A math test.
A lie detector test.

45 . Air tank drains should:

Only be used by mechanics.
Only be used when it is wet outside.
Be used to drain the tanks completely.

46 . A danger of swerving to avoid a hazard while driving a large truck is that:

The truck may miss the object.
The truck may flip over.
The truck may stay in the same lane.

47 . While driving, ____ generally holds spring brakes in place.

Air pressure
Electricity
Gasoline

48 . An after-trip inspection should be done:

Once a week.
Once a month.
After every trip.

49 . Black ice is:

Usually thick.
Usually thin.
Not a hazard when driving.

50 . Dual tires should:

Always come into contact with one another.
Come into contact with one another fairly regularly.
Not come into contact with one another.