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.
The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like:
2.
All air brake equipped vehicles have:
3.
Excessive use of the service brakes results in overheating which can lead to:
4.
A mechanical device that drops a low air warning into a drivers view is called a:
5.
The spring brakes used on the chambers in a straight truck will bring you to a stop when air pressure drops below ___ psi.
6.
When the engine is off and the parking brake released, a single vehicle air loss rate should be less than ________ psi in one minute.
7.
Which braking system applies and releases the parking brakes when you use the parking brake control?
8.
What is the purpose of an antilock braking system (ABS)?
9.
When brakes are applied, the brake shoes will press against the:
10.
The S-cam:
11.
Compared to hydraulic brakes, air brakes add how much distance to an average 55 mph stop?
12.
The most common problem found in roadside inspections is:
13.
With air brake vehicles, the parking brakes should be used:
14.
All of the following apply if the low air pressure warning signal does not work except:
15.
Automatic air tanks _______.
16.
Why does a heavily loaded vehicle need a longer distance to stop?
17.
How are brakes designed?
18.
Initial air leakage rate for combination vehicles should be:
19.
On large buses low pressure warning devices usually signal at ______.
20.
What does the air compressor governor control?
21.
What is used to put alcohol into the system and reduce ice risk?
22.
The governor stops the compressor from pumping air at:
23.
In a dual air brake system, one system will typically control the rear brakes, and the other:
24.
To prevent too much pressure from building up in the system, what is installed?
25.
Vehicles with air brakes have pressure gauges connected to the _______.