# Free Georgia CDL Air Brakes Practice Test 2023

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The Georgia CDL Air Brake Test has some differences from other endorsements because your license will receive a mark of restriction if you fail the test. So having good preparation before exam day is very necessary. To ensure that our Georgia CDL practice test questions are relevant, all of our practice questions are based on the Georgia CDL manual. Each question has a detailed explanation for you to thoroughly learn the format and the topic. Don't be afraid of having a restriction on your license. Let’s try our CDL practice test to get ready to pass the Georgia CDL Air Brake Test now.

Our CDL practice tests:
Based on 2021 GA commercial driver's license manual
Perfect for first-time, renewal applicants
GA CDL Air Brakes Test format:
25 questions
80% passing score
List of questions
1.
To test air service brakes you should:
2.
The most common type of foundation brakes are:
3.
An air compressor can be cooled by _______.
4.
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below ____ psi.
5.
To test the vehicle's service brakes, move the vehicle:
6.
Emergency stab braking is:
7.
Total stopping distance for air brakes is longer than that for hydraulic brakes due to ______ distance.
8.
9.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
10.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
11.
Air governor cut-out should be at around:
12.
"Some air brake systems have an alcohol evaporator. What may happen if you don’t keep the proper level of alcohol?"
13.
When brakes are applied, the brake shoes will press against the:
14.
All of the following are factors in total stopping distance except:
15.
If air pressure is not built up within the correct amount of time, then:
16.
In case of air pressure loss, a mechanical means of preventing the vehicle from moving is called:
17.
If you need to make an emergency stop, you should brake so that you can ________.
18.
How should the air leakage rate be tested?
19.
In dual air systems, how long should it take air pressure to build 85 to 100 psi?
20.
The braking power of the spring brakes ______.
21.
Brake drums or discs _______.
22.
Why should air tanks be drained completely?
23.
A warning to drivers behind you that the air brakes have been applied is the:
24.
What is the function of a safety valve?
25.
Vehicles with air brakes have pressure gauges connected to the _______.