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.
Air brakes consist of ________.
2.
During normal driving, spring brakes are usually held back by:
3.
Modern air brakes combine three different systems. They are the service, the parking, and the _____ brakes.
4.
On a long or steep downgrade, the foot brakes should be used:
5.
In a controlled braking emergency:
6.
The supply pressure gauge shows how much pressure:
7.
With air brake vehicles, the parking brake should be used:
8.
To stop the vehicle, air brakes systems use:
9.
When the safety valve releases air this indicates ___________.
10.
When performing the controlled braking method for an emergency stop, you are _________.
11.
Air governor cut-out should be at around:
12.
To check the free play of manual slack adjusters of S-cam brakes, you should park on:
13.
The parking brake knob is usually:
14.
The air compressor governor controls:
15.
The emergency spring brake release knob is:
16.
The parking brake should not be used when wet in freezing temperatures, or:
17.
The trailer air supply knob is usually:
18.
Brake drums should not have cracks longer than what length?
19.
Some vehicles are equipped with a separate air tank used specifically to release the spring brakes in an emergency, called a:
20.
Why do air brakes take longer to stop than hydraulic brakes?
21.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
22.
How often should alcohol containers be checked during cold weather?
23.
Spring brakes are applied:
24.
What is the purpose of an air storage tank?
25.
The warning light and buzzer will come on when the air pressure in either system drops below what psi?