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.
The most common type of foundation brakes are:
2.
The reduced stopping power caused by overuse of the service brakes and excessive heat is called:
3.
The low air pressure warning signal indicates:
4.
Where is the modulating control valve located on some vehicles?
5.
When should the spring brakes activate?
6.
When performing the controlled braking method for an emergency stop, you are _________.
7.
Air governor cut-out should be at around:
8.
What type of brakes pushes a wedge between the ends of two brake shoes to stop the vehicle?
9.
What is the purpose of an antilock braking system (ABS)?
10.
When does the air compressor governor allow air to start pumping?
11.
To stop the vehicle, the brake shoes and linings are pushed against:
12.
When inspecting the air brake system, what particular item in the engine compartment should the driver pay specific attention to?
13.
Brake drums should not have cracks longer than what length?
14.
In dual air systems, how long should it take air pressure to build 85 to 100 psi?
15.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
16.
The air tanks must be drained because:
17.
Why do air brakes take longer to stop than hydraulic brakes?
18.
Why should air tanks be drained completely?
19.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
20.
The belt of a belt-driven air compressor should be ________.
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.
A warning to drivers behind you that the air brakes have been applied is the:
24.
Water and oil _______.
25.
What is the function of a safety valve?