Free Kansas CDL Air Brakes Practice Test 2023

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The Kansas CDL Air Brake 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 packs are based on the Kansas 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 Kansas CDL Practice Test to get ready to pass the Kansas CDL Air Brake Test now.

Our CDL practice tests:
Based on 2021 KS commercial driver's license manual
Perfect for first-time, renewal applicants
KS CDL Air Brakes Test format:
25 questions
80% passing score
List of questions
1.
The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:
2.
A mechanical device that drops a low air warning into a drivers view is called a:
3.
Why drain water from compressed air tanks?
4.
In a controlled braking emergency:
5.
Spring brakes will generally come on at:
6.
The application pressure gauge shows how much air pressure you:
7.
When the safety valve releases air this indicates ___________.
8.
Which braking system applies and releases the parking brakes when you use the parking brake control?
9.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
10.
What must the air pressure be, at minimum, in both parts of a dual air brake system?
11.
When checking the air pressure buildup, pressure should build:
12.
Repeatedly partially increasing and pressing the brake pedal may result in:
13.
The brake pedal in an air brake system _______.
14.
At what level will the low air warning usually take effect?
15.
Why does a heavily loaded vehicle need a longer distance to stop?
16.
Brake drums should not have cracks longer than what length?
17.
If one air system is very low on pressure _______.
18.
Stop light switches are necessary because ________.
19.
Air tanks should be drained:
20.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
21.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
22.
The parking brake should be used:
23.
To prevent too much pressure from building up in the system, what is installed?
24.
What does ABS stand for?
25.
To test the parking brake you should _______.