The parking brake in a vehicle with air brakes should be used every time the vehicle is parked.

Used whenever you park your vehicle.

Set when driving in bad weather.

Some air brake systems include an alcohol evaporator. The evaporator introduces alcohol into the braking system to prevent the formation of ice, which can cause damage.

Used to add alcohol to braking systems to prevent items from freezing.

Only allowed on vehicles carrying hazardous materials.

Brakes out of adjustment will fade before those that are properly adjusted. Brake adjustment must be checked frequently to help prevent brake issues.

Cause some of the brakes to overwork and malfunction.

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.

It stops the compressor from pumping air.

It turns on the air compressor.

Air Brakes Endorsement Test | South Dakota 2024 #1

Train for FREE online with our South Dakota 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 SD 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 | South Dakota 2024 #1

1 . When the spring brakes are on, you should never:

2 . The parking brake should be:

3 . Alcohol evaporators are:

4 . Brakes out of adjustment will:

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

6 . What does the air compressor governor do?

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