Free North Dakota CDL Air Brakes Practice Test 2022

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

Our CDL practice tests:
Based on 2022 ND commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ND CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
An automatic wig wag will rise out of your view when the pressure in your system rises above what psi?
2.
A low air pressure warning signal is ________.
3.
Excessive use of the service brakes results in overheating which can lead to:
4.
In case of a low air situation, the spring brakes should come on at:
5.
A mechanical device that drops a low air warning into a drivers view is called a:
6.
Your truck has a dual air system and one of the systems loses its pressure. What will happen?
7.
Your brakes are fading when:
8.
The ____ shows how much pressure is in the air tanks.
9.
When performing the controlled braking method for an emergency stop, you are _________.
10.
In most newer vehicles, the parking brake control will be:
11.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
12.
When does the air compressor governor allow air to start pumping?
13.
Spring brakes will come on automatically, but the parking brake can also be applied:
14.
To check the free play of manual slack adjusters of S-cam brakes, you should park on:
15.
When checking the air pressure buildup, pressure should build:
16.
How should you check that your service brakes are working properly?
17.
The brake pedal in an air brake system _______.
18.
At what level will the low air warning usually take effect?
19.
Pushing the brake pedal down harder __________.
20.
If one air system is very low on pressure _______.
21.
Why should you drain water from compressed air tanks?
22.
You should use the parking brake _____________.
23.
What does ABS stand for?
24.
To prevent too much pressure from building up in the system, what is installed?
25.
If your brakes are wet, what should you do to dry them quicker?