Free New York CDL Air Brakes Practice Test 2022

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The New York 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 NYC 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 NY CDL Practice Test to get ready to pass the New York CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2022 NY commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NY 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.
The air brake lag distance at 55 mph on dry pavement adds about ____ feet.
4.
To test the vehicle's service brakes, move the vehicle:
5.
The application pressure gauge shows how much air pressure you:
6.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
7.
Some vehicles are equipped with a control allowing you to apply the spring brakes gradually, called a:
8.
If the air compressor should develop a leak, what keeps the air in the tanks?
9.
If the low air warning comes on while you are driving, you should:
10.
The safety valve reduces pressure at ___ psi.
11.
If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:
12.
All of the following are factors in total stopping distance except:
13.
If air pressure is not built up within the correct amount of time, then:
14.
A device that limits the amount of air provided to the front brakes is a:
15.
Under normal braking conditions, the vehicle:
16.
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the:
17.
The service brake system ________.
18.
In dual air systems, how long should it take air pressure to build 85 to 100 psi?
19.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
20.
The braking power of the spring brakes ______.
21.
You should use the parking brake _____________.
22.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
23.
Air tanks should be drained:
24.
A warning to drivers behind you that the air brakes have been applied is the:
25.
To test the parking brake you should _______.