In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

When the air compressor pumps air into the air storage tanks.

How fast air is pumped into the air storage tanks.

The temperature of air pumped into the air storage tanks.

In the event of an engine fire, you should turn off the engine as soon as possible. Do not open the hood if you can avoid it. Shoot foam through the louvers or from the vehicle’s underside.

Turn the engine off as soon as possible.

Spray from the underside of the vehicle.

It is illegal to operate a CMV if your blood alcohol concentration (BAC) is 0.04 percent or higher. A first offense will result in the loss of your CDL for one year. A second offense will result in the loss of your CDL for life.

The loss of your CDL for five years.

The loss of your CDL for one year.

You will be denied a HazMat endorsement, or lose an existing endorsement, if you are not a lawful permanent U.S. resident; you renounce your U.S. citizenship; you are wanted for, under indictment for, or convicted of certain felonies; you are judged as mentally unstable or are committed to a mental institution; or you are deemed to pose a security threat by the Transportation Security Administration (TSA).

You have renounced your United States citizenship.

You are a lawful resident of the United States.

You have renounced your United States citizenship.

You have only been convicted of misdemeanors.

You do not suffer from a mental illness.

An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.

Illegal to transport in most states.

If you need to make an emergency stop, you can use either the controlled braking method or the stab braking method. It's important to brake in a way that keeps your vehicle in a straight line but will still allow you to turn if necessary.

Veer your trailer to the right and stop.

Veer your trailer to the left and stop.

Class A Driving Test | Nevada 2025 #1 Page 4 of 7

Train for FREE online with our Nevada class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NV CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | Nevada 2025 #1 Page 4 of 7

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

23 . The air compressor governor controls:

24 . In the event of an engine fire, you should not:

25 . A second conviction of operating a CMV with a minimum blood alcohol concentration (BAC) of 0.04 percent will result in:

26 . You may be denied a HazMat endorsement if:

27 . Hanging meat as cargo is:

28 . When stopping in an emergency situation, you should:

See the exact questions that will be on the 2025 DMV exam.

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