Air Brakes #2
Air Brakes Endorsement Test | Alaska 2026 #2 Page 2 of 4
Train for FREE online with our Alaska 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 AK Class A/Class B driver license in 2026, 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.
25
20
20
7 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 55 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
8 . The parking brake in a newer vehicle is applied by:
In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.
9 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
10 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
11 . If the low air pressure warning signal comes on, you should:
If the low air pressure warning signal comes on while you are driving a vehicle with air brakes, you should immediately bring the vehicle to a safe stop while you are still able to control the brakes. Inspect and repair the brakes as soon as possible.
12 . While driving, ____ generally holds spring brakes in place.
While driving, spring brakes are generally held in place by air pressure. If the air pressure gets low enough, the springs will activate the brakes.
2026 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.