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.

There is something wrong with the brakes.

The safety relief valve in an air brake system releases air if necessary to prevent pressure in the system from becoming too high. If the valve starts releasing air, there is something wrong. Have a mechanic fix the problem.

There is something wrong with the brakes.

You should not be concerned as this is a normal process.

There is something wrong with the brakes.

Air Brakes Endorsement Test | Idaho 2024 #2

Train for FREE online with our Idaho 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 ID 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 | Idaho 2024 #2

1 . Air brakes use ____ to function.

2 . What color light indicates a vehicle's ABS is not working?

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

4 . Lights that indicate that anti-lock brakes are not working are:

5 . If the safety relief valve in an air brake system is releasing air:

6 . While operating on a downgrade, you should brake until you reach a speed that is:

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