20 Tests

Air Brakes Endorsement Test Online | New York 2021

Train for FREE online with our New York 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 NY Class A/Class B driver license in 2021, practice as much as.. Read More

Train for FREE online with our New York 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 NY 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 . A one-way check valve:

Holds the spring brakes in position until they are used. A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.

2 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.

One tenth Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.

3 . How is water and compressor oil removed from the bottom of an air storage tank?

A sponge is used to soak up the water and oil. Water and compressor oil are removed from air storage tanks through a drain valve. The water and oil can damage the brakes if left to accumulate in the system. Manually operated tanks must be drained every day to remove this build-up.

4 . How should you test the low pressure warning signal?

Uncouple and recouple all glad hands. It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.

5 . The air storage tanks:

Hold enough air for more than 1,000 braking cycles. In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.

6 . Which of the following is not a part of an air brake system?

An axle brake system Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system.

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