# 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
Perfect for first-time, renewal applicants
AR CDL Air Brakes Test format:
25 questions
80% passing score
List of questions
1.
The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like:
2.
An automatic wig wag will rise out of your view when the pressure in your system rises above what psi?
3.
When inspecting air brakes:
4.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
5.
During normal driving, spring brakes are usually held back by:
6.
Under normal conditions, in order to engage the parking brakes the driver should:
7.
Emergency stab braking is:
8.
A mechanical device that drops a low air warning into a drivers view is called a:
9.
The spring brakes used on the chambers in a straight truck will bring you to a stop when air pressure drops below ___ psi.
10.
When does the air compressor governor allow air to start pumping?
11.
If you must make an emergency stop, you should brake so you:
12.
Spring brakes will come on automatically, but the parking brake can also be applied:
13.
If your truck has a dual air brake system, and one of the systems is low on pressure:
14.
What must the air pressure be, at minimum, in both parts of a dual air brake system?
15.
What tells the driver how much air pressure is in the air tanks?
16.
17.
If air pressure is not built up within the correct amount of time, then:
18.
Controlled braking is only possible _________.
19.
When driving an older vehicle that has a manual front brake limiting valve, drivers should:
20.
Stop light switches are necessary because ________.
21.
How often should alcohol containers be checked during cold weather?
22.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
23.
To avoid damaging the brakes, what should you never do while the spring brakes are applied?
24.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
25.
Manual air tank drains require: