FREE Air Brakes Endorsement Test Online | Alaska 2024

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 2021, practice as much as.. Read More

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 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 the requirements for CDL may vary from state to state.

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1 . Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:

An air compressor governor will stop the compressor from pumping air once the air tanks are at an air pressure level around 125 psi. This air pressure level is referred to as the "cut-out" level.

2 . An air compressor governor controls:

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

3 . An emergency brake must be controlled by:

All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes. Because air pressure can eventually leak away, emergency and parking brakes should be held on by mechanical force.

4 . Emergency brakes:

All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes.

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

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 . 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.

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