FREE CDL Combination Vehicles Practice Test Online | Arizona 2024
Train for FREE online with our Arizona CDL combination vehicle 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 combination license in 2021, 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 DMV requirements for issuing a combination license may vary from state to state.
20
16
20
1 . If the emergency air line loses pressure:
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.
2 . The tractor protection valve:
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
3 . Fully-loaded rigs:
Fully-loaded rigs are more vulnerable to rolling over than empty rigs because the weight of the cargo gives the vehicles higher centers of gravity.
4 . Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
Older trailers do not have spring brakes. This means that if the air supply in an older trailer's air tank has leaked away, there will be no working brakes connected to the trailer and its wheels will turn freely.
5 . If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
If a parked trailer does not have spring brakes, wheel chocks should be used to prevent it from moving.
6 . When coupling a trailer, you should:
When coupling air brake hoses, you should make sure the proper pairs of gland hands are connected. They are sometimes color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.
7 . When coupling a trailer:
When coupling, make sure you couple matching glad hands. They are often color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.
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.