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

1. Most heavy-duty vehicles use:

2. You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?

The steering feels heavy.
You have to apply your brakes harder and harder to get the same stopping power.
The brake pedal feels spongy or goes to the floor.
You hear a loud "bang".

3. To prevent rollover, you should:

put the lightest parts of the cargo under the heaviest parts.
place the cargo near the rear of the trailer.
place the cargo near the front of the trailer.
keep the cargo as close to the ground as possible.

4. The ________ brake system applies and releases the brakes when the driver uses the brake pedal during normal driving.

5. In air brake vehicles, the parking brake should be used:

when the spring brakes are on.
to hold your speed while going downhill.
any time you park (with a few exceptions).
as little as possible.

6. Spring brakes are usually held back by:

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

8. The safety valve is usually set to open at:

9. The tire load rating is stated:

on the side of each tire.
inside the suspension system.
on the dashboard.
on each axle.

10. In vehicles with air brakes, the two markings on a front brake limiting valve are:

AIR BRAKES CDL PRACTICE TEST - GEORGIA