Air Brakes #1

Air Brakes Endorsement Test | Vermont 2024 #1 Page 3 of 4

Train for FREE online with our Vermont 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 VT Class A/Class B driver license in 2024, practice as much as.. Read More

Train for FREE online with our Vermont 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 VT Class A/Class B driver license in 2024, 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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13 . Brake fade is a result of:

If brakes are overused, they can become too hot. This overheating causes them to fade, making them less effective at slowing the vehicle.

14 . A low air pressure warning signal should activate:

In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 55 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

15 . An alcohol evaporator is especially important:

Some air brake systems contain an alcohol evaporator. This evaporator introduces alcohol into the system to help prevent ice from forming in cold weather.

16 . In a vehicle with dual air brakes, a leak in one system ____ the second system.

A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.

17 . What does the air compressor governor do?

In an air brake system, the air compressor governor controls when the air compressor pumps air into the storage tanks. It stops pumping if the pressure in the tanks becomes too high, and begins pumping if the pressure becomes too low.

18 . What is often found in compressed air?

Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.

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