Air Brakes Endorsement Test | Arizona 2024 #2

Train for FREE online with our Arizona CDL air brake 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 AZ Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . On flat surfaces, wheel chocks:

Can be used to prevent a parked vehicle from moving.

Make it easier for a parked vehicle to roll.

Should only be used on the front driver's side tire.

In situations where a driver cannot use a parking brake, wheel chocks can be used to hold a parked vehicle in place on a level surface.

2 . A slack adjuster should move no more than ____ from where it is attached to the push rod.

Two inches

Five inches

One inch

Before a trip, you should check each slack adjuster after parking, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure that they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.

3 . Which of the following is not part of a vehicle’s air brake system?

Air gauges

Low pressure warning device

Air filter

Components of an air brake system include an air compressor, an air compressor governor, air storage tanks, air tank drains, an alcohol evaporator, a safety valve, a brake pedal, foundation brakes, supply pressure gauges, an application pressure gauge, a low air pressure warning signal, a stop light switch, a front brake limiting valve (on some older vehicles), spring brakes, and parking brake controls.

4 . During an applied leakage test, what is the maximum leakage rate that is safe for a single vehicle with air brakes?

10 psi in one minute

5 psi in one minute

3 psi in one minute

It is important to know the maximum air loss rate that is safe for your specific vehicle. A single vehicle with air brakes should have a leakage rate no higher than 3 psi in a minute during an applied leakage test.

5 . What should happen before the air pressure in an air brake system tank falls below 55 psi?

The warning light should activate.

The vehicle will be unable to shift out of gear.

The front lights should flash.

The low air pressure warning signal must activate before the air supply pressure drops below 55 psi in the air tank. If the warning signal does not turn on when being tested during an inspection, the vehicle is not safe to drive.

6 . When traveling down a steep downgrade:

The air brakes should be used.

The vehicle should be placed in a low gear and the driver should use engine braking.

The driver should continually downshift instead of using the brakes.

On long and/or steep downgrades, you should primarily use engine braking to control the speed of your vehicle. Use your brakes only as a supplement to this effect.

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2024 Arizona | Frequently Asked Questions

To acquire a CDL Hazmat endorsement in Arizona, you need to pass a written test and a Transportation Security Administration (TSA) background check. First, study the Hazmat section of the Arizona CDL manual. Then, schedule and pass your written test at an Arizona MVD office. Lastly, apply for and pass the TSA background check to receive your endorsement.

To obtain a CDL Hazmat license, you must already possess a valid Commercial Driver's License (CDL). You must also pass a written knowledge test and a TSA background check. Additionally, you should be at least 21 years old, have no disqualifying criminal offenses, and be able to read and speak English well enough to do the job.

When applying for a CDL Hazmat endorsement, you'll need your current CDL, proof of U.S. citizenship or legal status (like a passport or birth certificate), and a completed medical examiner's certificate. You'll also need to provide fingerprints and pass a TSA background check. Finally, you must pass the Hazmat knowledge test at your local DMV.

Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test is designed to evaluate your knowledge of transporting hazardous materials safely. It covers topics like loading and unloading hazardous materials, bulk packaging, and emergency response procedures. It's recommended to study the Hazmat section in the state's CDL manual before taking the test.

The written test for the CDL Hazmat endorsement covers topics such as how to recognize hazardous materials, understanding shipping papers, placarding rules, emergency response procedures, loading and unloading hazardous materials, and safe driving practices with hazardous materials. The test aims to ensure drivers can safely transport hazardous materials.

Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. The TSA background check fee is approximately $86.50, and the Arizona MVD charges a $10 application fee. The fingerprinting fee varies by location. Keep in mind prices may vary and additional fees may be required depending on your specific circumstances.

Yes, background checks and security clearances are mandatory for obtaining a CDL Hazmat endorsement. Applicants must undergo a federal criminal history background check and fingerprinting conducted by the Transportation Security Administration (TSA). This ensures the driver does not pose a security threat while transporting hazardous materials.

Yes, specialized training and certification are required for the CDL Hazmat endorsement. Applicants must pass a written knowledge test about the transportation of hazardous materials. Additionally, they must undergo a TSA security threat assessment. Upon passing these, the endorsement is added to their Commercial Driver's License.

No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Arizona, or any other state. The endorsement is necessary to ensure the driver has the necessary knowledge and skills to safely transport hazardous materials. Violating this can result in heavy fines and legal action.

You can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new license, but you will need to pass the Hazmat knowledge test and complete a TSA security threat assessment. Once these steps are completed, the endorsement will be added to your existing CDL.