Free Florida CDL Air Brakes Practice Test 2022

Do you need a Florida Air Brakes endorsement or an L endorsement for your commercial driving license? The Florida CDL practice 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 Florida CDL practice test questions are relevant, all of our practice questions are based on the Florida CDL Handbook. 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 with our CDL practice test to get ready to pass the Florida CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2022 FL commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
FL CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
An air compressor can be cooled by _______.
2.
A low air pressure warning signal is ________.
3.
Your truck or bus has a dual air brake system. If a low air pressure warning comes on for only one system, what should you do?
4.
A dual air brake system ________.
5.
In case of a low air situation, the spring brakes should come on at:
6.
Why drain water from compressed air tanks?
7.
The main factor in causing brake fade is:
8.
Your brakes are fading when:
9.
When the engine is off and the parking brake released, a single vehicle air loss rate should be less than ________ psi in one minute.
10.
When the safety valve releases air this indicates ___________.
11.
Another name for the brake pedal is the "foot valve", or:
12.
"Some air brake systems have an alcohol evaporator. What may happen if you don’t keep the proper level of alcohol?"
13.
If the spring brakes are on, when should you push the brake pedal?
14.
The parking brake knob is usually:
15.
The manual adjustment of automatic slack adjusters is:
16.
The parking brake should not be used when wet in freezing temperatures, or:
17.
Which of these is NOT a proper time to apply the parking brakes?
18.
With air brake vehicles, the parking brakes should be used:
19.
You should avoid using the parking brake when _______.
20.
The most common type of foundation brake is?
21.
When driving an older vehicle that has a manual front brake limiting valve, drivers should:
22.
During a normal drive, the spring brakes are held back by _____.
23.
Typically, at what psi does the air compressor governor stop the compressor from pumping air?
24.
In a dual air brake system, one system will typically control the rear brakes, and the other:
25.
What is an alternative name for a brake pedal?