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.
When inspecting air brakes:
2.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
3.
How far should manual slack adjusters move before they need to be adjusted?
4.
When performing the controlled braking method for an emergency stop, you are _________.
5.
Another name for the brake pedal is the "foot valve", or:
6.
When you release the brakes and reduce the air pressure what makes up for that air loss?
7.
What should a driver do when the low air pressure warning signal comes on?
8.
Air governor cut-out should be at around:
9.
When using a vehicle with air brakes, the parking needs to be used _______.
10.
All of the following are factors in total stopping distance except:
11.
Besides heat, another cause of brake fade is:
12.
The emergency spring brake release knob is:
13.
What tells the driver how much air pressure is in the air tanks?
14.
Under normal braking conditions, the vehicle:
15.
In case of air pressure loss, a mechanical means of preventing the vehicle from moving is called:
16.
At what level will the low air warning usually take effect?
17.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
18.
The safety valve in the air compressor tank is set to open at _____.
19.
How often should alcohol containers be checked during cold weather?
20.
What is used to put alcohol into the system and reduce ice risk?
21.
To check the air compressor governor's "cut in" and "cut out" pressures you need to _________.
22.
What is a wig wag ?
23.
What is the purpose of an air storage tank?
24.
Manual air tank drains require:
25.
Vehicles with air brakes have pressure gauges connected to the _______.