Free Connecticut CDL Air Brakes Practice Test 2022

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

Our CDL practice tests:
Based on 2022 CT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CT CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
The most common type of foundation brakes are:
2.
A low air pressure warning signal is ________.
3.
In a controlled braking emergency:
4.
To make sure that the spring brakes come on automatically, do all of the following except:
5.
Another name for the brake pedal is the "foot valve", or:
6.
Which braking system applies and releases the parking brakes when you use the parking brake control?
7.
What should a driver do when the low air pressure warning signal comes on?
8.
When parking a vehicle with a modulating control valve ________.
9.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
10.
If the low air warning comes on while you are driving, you should:
11.
The level at which the air compressor stops pumping air is:
12.
What must the air pressure be, at minimum, in both parts of a dual air brake system?
13.
Total stopping distance with air brakes is Perception distance + Braking Distance + Brake Lag Distance +:
14.
The emergency spring brake release knob is:
15.
All of the following apply if the low air pressure warning signal does not work except:
16.
When inspecting the air brake system, what particular item in the engine compartment should the driver pay specific attention to?
17.
How should the air leakage rate be tested?
18.
The most common type of foundation brake is?
19.
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
20.
How are brakes designed?
21.
The air compressor is connected to the engine through ______.
22.
Vehicles with air brakes _________.
23.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
24.
To check the air compressor governor's "cut in" and "cut out" pressures you need to _________.
25.
Required on all vehicles with air brakes, what tells the driver that air pressure is too low?