Free Florida CDL Air Brakes Practice Test 2023

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 2021 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
If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?
When inspecting air brakes:
During normal driving, spring brakes are usually held back by:
A mechanical device that drops a low air warning into a drivers view is called a:
If your vehicle has an alcohol evaporator, it is there to:
What negatively affects the braking power of a spring brake?
Normally during anti-lock braking, the driver _____.
When you release the brakes and reduce the air pressure what makes up for that air loss?
What should a driver do when the low air pressure warning signal comes on?
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
All of the following are factors in total stopping distance, EXCEPT:
If your truck has a dual air brake system, and one of the systems is low on pressure:
In a dual air brake system, the first system, supplying the rear brakes, is commonly known as the "primary" system, and the other as the:
In case of emergency stops, drivers should:
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the _____.
If you need to make an emergency stop, you should brake so that you can ________.
The brake pedal in an air brake system _______.
At what level will the low air warning usually take effect?
Pushing the brake pedal down harder __________.
Why should you check the brake adjustment often?
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
Brake linings should not be _______.
To check the air compressor governor's "cut in" and "cut out" pressures you need to _________.
To avoid damaging the brakes, what should you never do while the spring brakes are applied?
What brake system uses part of the service and parking brake systems to stop the vehicle in the event of a brake system failure?