Free Georgia CDL Air Brakes Practice Test 2022

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 2022 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
1.
The safety valve discharges automatically at the pressure of:
2.
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
3.
"A slack adjuster’s free play needs to be adjusted if it is more than about ______ when you pull hard on it."
4.
How far should manual slack adjusters move before they need to be adjusted?
5.
The most important thing to do when a low air pressure warning comes on is:
6.
Under normal conditions, in order to engage the parking brakes the driver should:
7.
The low air pressure warning signal indicates:
8.
When the air system is low ________.
9.
What negatively affects the braking power of a spring brake?
10.
Normally during anti-lock braking, the driver:
11.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
12.
Which braking system applies and releases the parking brakes when you use the parking brake control?
13.
It is not safe to drive a vehicle that has brake drums with cracks that are longer than _____ of the width of the friction area.
14.
The safety valve reduces pressure at ___ psi.
15.
In case of emergency stops, drivers should:
16.
The most common problem found in roadside inspections is:
17.
On newer vehicles what color is the parking brake knob?
18.
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
19.
Some vehicles are equipped with a separate air tank used specifically to release the spring brakes in an emergency, called a:
20.
Initial air leakage rate for combination vehicles should be:
21.
Stop light switches are necessary because ________.
22.
During a normal drive, the spring brakes are held back by _____.
23.
You should use the parking brake _____________.
24.
The spring brakes of a tractor will come on when the air pressure falls within _______.
25.
What does ABS stand for?