Free Arkansas CDL Air Brakes Practice Test 2022

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The Arkansas CDL Air Brakes 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 questions are relevant, all of our CDL practice test questions are based on the Arkansas 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 Arkansas CDL practice tests to get ready to pass the Arkansas CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2022 AR commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AR CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
A driver needs to be able to see a warning when the air pressure in the service air tanks falls below ______.
2.
A low pressure warning signal could be __________.
3.
When should the spring brakes activate?
4.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
5.
What is the purpose of an antilock braking system (ABS)?
6.
Total stopping distance with air brakes is Perception distance + Braking Distance + Brake Lag Distance +:
7.
The parking brake should not be used when wet in freezing temperatures, or:
8.
Compared to hydraulic brakes, air brakes add how much distance to an average 55 mph stop?
9.
When inspecting the air brake system, what particular item in the engine compartment should the driver pay specific attention to?
10.
The air compressor is connected to the engine through ______.
11.
Which of the following helps the stop light switch work?
12.
The braking power of the spring brakes ______.
13.
Some vehicles are equipped with a separate air tank used specifically to release the spring brakes in an emergency, called a:
14.
During a normal drive, the spring brakes are held back by _____.
15.
On large buses low pressure warning devices usually signal at ______.
16.
Vehicles with air brakes _________.
17.
The parking brake should be used:
18.
A warning to drivers behind you that the air brakes have been applied is the:
19.
In a dual air brake system, one system will typically control the rear brakes, and the other:
20.
On a long or steep downgrade, how should vehicle speed be primarily controlled?
21.
To prevent too much pressure from building up in the system, what is installed?
22.
Required on all vehicles with air brakes, what tells the driver that air pressure is too low?
23.
What is the function of a safety valve?
24.
To test the parking brake you should _______.
25.
If your brakes are wet, what should you do to dry them quicker?