Air Brakes Test Hawaii (2024) - FREE CDL Practice Test

1. The total stopping distance for vehicles with air brake systems is made up of __ different factors.

2. A low air pressure warning signal is required on:

all vehicles with air brakes.
all vehicles with air brakes built after 2009.
all vehicles with air brakes built after 2005.

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

4. Brake fade results from, and is affected by:

brakes out of adjustment.
excessive heat caused by using the brakes too much.
All of the above.

5. Typically an air system is fully-charged at:

6. Antifreeze:

helps the engine only when the temperature is below freezing.
helps the engine only under hot conditions.
helps the engine under hot conditions as well as cold conditions.

7. The trailer hand valve should:

never be used for parking.
be used in driving.
never be used to test the trailer brakes.

8. ABS:

helps you avoid skids caused by over braking.
helps you stop faster.
improves your visibility at night.

9. The parking brake:

should be used when you need to apply the brakes firmly.
should be used whenever you park.
should be used when driving in bad weather.

10. How can you tell if your vehicle is equipped with ABS?

Look for yellow ABS malfunction lamps on the instrument panel.
Trailers will have yellow ABS malfunction lamps on the left side.
All of the above.

AIR BRAKES CDL PRACTICE TEST - HAWAII