Air Brakes #2

Air Brakes Endorsement Test | Indiana 2024 #2 Page 4 of 4

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

Train for FREE online with our Indiana 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 IN 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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To Pass

19 . Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.

100 psi 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.

20 . Foundation brakes are used:

At each wheel. Foundation brakes are used at each wheel. The most common type is the S-cam drum brake.

21 . If one air system in a dual air brake system is very low on pressure:

Lights on the outside of the tractor will flash. In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.

22 . Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:

Anti-Lock Braking Systems (ABS). Truck tractors with air brakes that were manufactured on or after March 1, 1997 are required to be equipped with Anti-Lock Braking Systems (ABS). ABS is required in any other type of vehicle with air brakes that was manufactured on or after March 1, 1998.

23 . Brakes can get out of adjustment:

If brakes on one side are used more often than brakes on the other side. Brakes are particularly prone to getting out out adjustment if they are hot. Use proper braking techniques to avoid letting your brakes overheat.

24 . What does the air compressor governor do?

Controls the temperature of the air leaving the air storage tanks. In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

25 . What color is the low air pressure warning light?

Purple A low air pressure warning signal is required in vehicles with air brakes. The warning light is usually red and may be accompanied by a buzzer.

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See the exact questions that will be on the 2024 Indiana DMV exam.