Always apply the parking brake when leaving your vehicle unattended.

The parking brake must be always be used.

The parking brake should never be used.

Windows in the cab should be lowered.

If used and maintained properly, air brakes are a safe and effective way to stop large, heavy vehicles.

Air brakes are very effective systems.

Other brake systems squeak too loudly.

Air brakes are very effective systems.

Other braking systems are hard to come by.

An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.

The air pressure has become too high.

The brakes are fully operational.

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

Train for FREE online with our Hawaii 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 HI 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.

Number of Question 25

Passing Score 20

Number of Tests 20

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

7 . When leaving your vehicle unattended:

8 . Air pressure should build up in a single air system within:

9 . What is often found in compressed air?

10 . Why do large vehicles use air brakes?

11 . What do the two systems of a dual air brake system share?

12 . If the safety relief valve in the air brake system releases air:

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