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 automatic wig wag will rise out of your view when the pressure in your system rises above what psi?
2.
Air brakes consist of ________.
3.
When inspecting air brakes:
4.
Brake fade is caused by:
5.
What negatively affects the braking power of a spring brake?
6.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
7.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
8.
Some vehicles are equipped with a control allowing you to apply the spring brakes gradually, called a:
9.
The level at which the air compressor stops pumping air is:
10.
When checking the air pressure buildup, pressure should build:
11.
Total stopping distance with air brakes is Perception distance + Braking Distance + Brake Lag Distance +:
12.
Average stopping distance under normal conditions at 55 mph is:
13.
In case of emergency stops, drivers should:
14.
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the:
15.
Compared to hydraulic brakes, air brakes add how much distance to an average 55 mph stop?
16.
The service brake system ________.
17.
If one air system is very low on pressure _______.
18.
Brake linings should not be _______.
19.
Some vehicles are equipped with a separate air tank used specifically to release the spring brakes in an emergency, called a:
20.
How does the antilock brake system benefit the driver?
21.
Vehicles with air brakes _________.
22.
Air tanks should be drained:
23.
What brake system uses part of the service and parking brake systems to stop the vehicle in the event of a brake system failure?
24.
To prevent too much pressure from building up in the system, what is installed?
25.
What happens when pressure is put on the air brakes?