Air Brakes #2

FREE Air Brakes Endorsement Test Online | Arkansas 2024

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

Train for FREE online with our Arkansas 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 AR 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 . If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?

Bumpy When inspecting a vehicle with air brakes that has a belt-driven air compressor, you should check the condition and tightness of the belt. It should be in good condition.

2 . Emergency brakes:

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

3 . If using the spring brakes while hauling a heavy load, a complete stop will:

Damage the brakes. Spring brakes will activate in a vehicle with air brakes if the pressure in the air system becomes too low. A heavily loaded vehicle will take a long time to stop when using only the spring brakes because the spring brakes do not work on all axles.

4 . In a vehicle with dual parking control valves, a separate air tank can be used:

In a vehicle with dual parking control valves, there is a separate air tank that can be used to temporarily release the spring brakes if they have been activated due to low air pressure. Pushing in the proper control will release the spring brakes for a short period of time, allowing the driver to move the vehicle in an emergency.

5 . Vehicles with dual air brake systems:

Maintain air pressure when shut off for periods of less than four hours. Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.

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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