Free Alaska CDL Air Brakes Practice Test 2022

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

Our CDL practice tests:
Based on 2022 AK commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AK 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.
The most common type of foundation brakes are:
3.
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
4.
A mechanical device that drops a low air warning into a drivers view is called a:
5.
Spring brakes will generally come on at:
6.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
7.
When testing air leakage rates for single vehicles, initial loss rate should be less than:
8.
Generally, air governor cut-in should be at:
9.
Which braking system applies and releases the parking brakes when you use the parking brake control?
10.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
11.
When your brake's main air pressure is lost ________.
12.
Spring brakes will come on automatically, but the parking brake can also be applied:
13.
What must the air pressure be, at minimum, in both parts of a dual air brake system?
14.
Average stopping distance under normal conditions at 55 mph is:
15.
A device that limits the amount of air provided to the front brakes is a:
16.
In case of emergency stops, drivers should:
17.
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the:
18.
Pushing the brake pedal down harder __________.
19.
How should the air leakage rate be tested?
20.
If one air system is very low on pressure _______.
21.
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
22.
How are brakes designed?
23.
You should use the parking brake _____________.
24.
Vehicles with ABS have malfunction lamps that are what color?
25.
What is the function of a safety valve?