Air Brakes #2

FREE Air Brakes Endorsement Test Online | Alabama 2024

Train for FREE online with our Alabama 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 AL Class A/Class B driver license in 2021, practice as much as..

Train for FREE online with our Alabama 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 AL 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 . In a dual air brake system:

One system is the main braking system and a second system is ready to be used if the first one fails. A dual air brake system is made up of two separate air brake systems. The systems share a single set of brake controls, but each has its own air tanks, hoses, and lines.

2 . During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.

9 psi When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.

3 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:

If the low air pressure warning signal comes on while you are operating a vehicle with air brakes, you should stop and safely park the vehicle as soon as possible. It is essential that you are able to stop safely while you still have some braking power remaining.

4 . What do anti-lock brakes do?

Prevent a vehicle from accelerating while traveling downhill The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.

5 . The air compressor governor controls:

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

6 . Brakes can get out of adjustment quickly, especially:

Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.

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