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
Full answers + detailed explanations
Perfect for first-time, renewal applicants
GA CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
An automatic wig wag will rise out of your view when the pressure in your system rises above what psi?
Your truck or bus has a dual air brake system. If a low-pressure warning comes on for only one system, what should you do?
What can legally hold a parking or emergency brake in position for a truck, truck tractor, or bus?
When is it OK to leave your truck unattended without applying the parking brakes and choking the wheels?
On a long or steep downgrade, the foot brakes should be used:
If your vehicle has an alcohol evaporator, it is there to:
To make sure that the spring brakes come on automatically, do all of the following except:
Generally, air governor cut-in should be at:
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
What type of brakes pushes a wedge between the ends of two brake shoes to stop the vehicle?
In most newer vehicles, the parking brake control will be:
When your brake's main air pressure is lost ________.
To check the free play of manual slack adjusters of S-cam brakes, you should park on:
After the initial pressure drop, air leakage for combination vehicles should be less than:
The trailer air supply knob is usually:
The S-cam:
All of the following apply if the low air pressure warning signal does not work except:
When inspecting the air brake system, what particular item in the engine compartment should the driver pay specific attention to?
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
Brake linings should not be _______.
Why should you drain water from compressed air tanks?
When driving an older vehicle that has a manual front brake limiting valve, drivers should:
The safety valve in the air compressor tank is set to open at _____.
What is the purpose of an air storage tank?
Water and oil _______.