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.
A driver needs to be able to see a warning when the air pressure in the service air tanks falls below ______.
2.
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
3.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
4.
To make sure that the spring brakes come on automatically, do all of the following except:
5.
When the air system is low ________.
6.
Generally, air governor cut-in should be at:
7.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
8.
When your brake's main air pressure is lost ________.
9.
A device that limits the amount of air provided to the front brakes is a:
10.
The trailer air supply knob is usually:
11.
Pressing and releasing the brake pedal unnecessarily:
12.
Under normal braking conditions, the vehicle:
13.
To test the parking brake, stop the vehicle, put the parking brake on, and:
14.
All of the following apply if the low air pressure warning signal does not work except:
15.
Controlled braking is only possible _________.
16.
Why should you drain water from compressed air tanks?
17.
The braking power of the spring brakes ______.
18.
Stab braking should only be used:
19.
If the air compressor has its own oil supply you should do what before driving?
20.
The parking brake should be used:
21.
What is a wig wag ?
22.
What does ABS stand for?
23.
Vehicles with air brakes have pressure gauges connected to the _______.
24.
To test the parking brake you should _______.
25.
If your brakes are wet, what should you do to dry them quicker?