Combination #1
Combination Vehicles Practice Test | Alaska 2025 #1 Page 3 of 3
Train for FREE online with our Alaska 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 AK combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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15 . Combination vehicles:
Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.
16 . A 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.
17 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:
In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.
18 . 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.
19 . If you are backing and become unsure about your path of travel, you should:
If you are unsure of your path while you are driving in reverse, you should stop, exit the vehicle, and recheck your path of travel.
20 . 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.
See the exact questions that will be on the 2025 Alaska DMV exam.
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2025 Alaska | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Alaska, you must hold a valid Commercial Driver's License (CDL). Next, pass the Hazardous Materials Knowledge Test. You'll also need to undergo a TSA background check. Lastly, submit your application with the required fees at the DMV. Remember, endorsement renewal requires retesting and another background check.
Before obtaining a CDL Hazmat license, you must have a valid Commercial Driver's License (CDL). You also need to pass the Hazmat Endorsement Knowledge Test. Additionally, you must go through a Transportation Security Administration (TSA) security screening, which includes fingerprinting and a background check. You must also meet the federal qualification requirements.
To apply for a CDL Hazmat endorsement in Alaska, you need a valid Commercial Driver's License (CDL), proof of U.S. citizenship or legal status, a completed HAZMAT endorsement application, and a TSA security threat assessment clearance. You will also need to pass the Hazardous Materials Knowledge Test and a fingerprint-based background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement in Alaska. The Hazardous Materials Knowledge Test assesses your understanding of the rules and regulations related to transporting hazardous materials. You must pass this test to obtain the Hazmat endorsement on your Commercial Driver's License (CDL).
The CDL Hazmat endorsement written test covers a variety of subjects related to hazardous materials transport, including: understanding hazard classifications, how to safely load and unload hazardous materials, proper use of placards and labels, emergency response procedures, and understanding the risks associated with different types of hazardous materials.
Yes, acquiring a CDL Hazmat endorsement in Alaska involves additional charges. These include the cost for the written test, a background check fee, and the endorsement application fee. The exact amount may vary, so it's best to check with the Alaska Division of Motor Vehicles for current fees.
Yes, background checks are required for the CDL Hazmat endorsement. Applicants must undergo a federal security threat assessment conducted by the Transportation Security Administration (TSA). This involves fingerprinting and checking criminal, immigration, and terrorism records. The process ensures that hazardous materials are transported by trustworthy and reliable individuals.
Yes, specialized training is required for a CDL Hazmat endorsement. Applicants must pass a written Hazardous Materials Endorsement Knowledge Test. Additionally, they must complete a background check and fingerprinting process. These requirements ensure that drivers are adequately prepared to handle hazardous materials safely and responsibly on the road.
No, you cannot transport hazardous materials without a valid CDL Hazmat endorsement in Alaska. This endorsement is required by federal and state law for drivers transporting hazardous materials. Driving without the proper endorsement can result in serious penalties, including fines and potential disqualification from holding a commercial driver's license.
Yes, you can add the CDL Hazmat endorsement to your current CDL license. However, it requires passing a written knowledge test on hazardous materials. You also need to undergo a federal background check and fingerprinting. Once these processes are successfully completed, the Hazmat endorsement is added to your existing CDL license.
