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.
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
2.
Air tanks need to be drained ______.
3.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
4.
The proper use of the brakes when going down a long steep grade after selecting a proper gear is to brake until your speed is about ____ below the posted speed and release your brake.
5.
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below ____ psi.
6.
Under normal conditions, in order to engage the parking brakes the driver should:
7.
An air brake system is fully charged at what psi?
8.
The supply pressure gauge shows how much pressure:
9.
Spring brakes will generally come on at:
10.
With air brake vehicles, the parking brake should be used:
11.
To stop the vehicle, air brakes systems use:
12.
The type of brakes that clamp the rotor between the brake shoes is:
13.
When you need to depress the brakes harder and harder just to maintain the same speed this means ______.
14.
What is a \"Wig Wag\"
15.
Pressing and releasing the brake pedal unnecessarily:
16.
After the initial pressure drop, air leakage for combination vehicles should be less than:
17.
In case of air pressure loss, a mechanical means of preventing the vehicle from moving is called:
18.
Stop light switches are necessary because ________.
19.
If the air compressor has its own oil supply you should do what before driving?
20.
How often should alcohol containers be checked during cold weather?
21.
The spring brakes of a tractor will come on when the air pressure falls within _______.
22.
What is the purpose of a supply pressure gauge?
23.
Manual air tank drains require:
24.
Vehicles with air brakes have pressure gauges connected to the _______.
25.
If your brakes are wet, what should you do to dry them quicker?