Air Brakes #1

FREE Air Brakes Endorsement Test Online | Georgia 2022

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

Train for FREE online with our Georgia 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 GA 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 . When operating a vehicle with a dual brake system, a driver should:

Pump the pedal about 20 times to build pressure, then begin driving. Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum pressure of 100 psi in both the primary and secondary systems.

2 . What does ABS do?

Prevent the brakes from being used if downshifting would be more effective The purpose of an Anti-Lock Braking System (ABS) is to prevent wheels from locking up during hard applications of the brakes, especially on slippery surfaces.

3 . Dollies equipped with ABS are required to have malfunction lamps located where?

On the top A dolly equipped with an Anti-Lock Braking System (ABS) is required to have a yellow malfunction lamp located on its left side.

4 . 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.

5 . During a static leakage test, the maximum leakage rate for a single vehicle with air brakes is ____ in one minute.

4 psi When performing a static leakage test on a single vehicle with air brakes, the leakage rate should be no more than 2 psi in a 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.

6 . Anti-Lock Braking Systems (ABS):

Are illegal in some states. ABS is equipped in addition to a vehicle's normal braking system and it neither increases nor decreases the vehicle's braking capability. ABS activates during hard applications of the brake pedal in order to prevent wheels from locking up.

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