Free Nevada CDL Air Brakes Practice Test 2023

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The Nevada CDL Air Brake 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 questions are relevant, all of our CDL practice test packs are based on the Nevada CDL Manual. 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 our Nevada CDL Practice Test to get ready to pass the Nevada CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2021 NV commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NV CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:
Air tanks need to be drained ______.
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.
A dual air brake system ________.
Your truck or bus has a dual air brake system. If a low air pressure warning comes on for only one system, what should you do?
A mechanical device that drops a low air warning into a drivers view is called a:
In a controlled braking emergency:
Your truck has a dual air system and one of the systems loses its pressure. What will happen?
The ____ shows how much pressure is in the air tanks.
The main factor in causing brake fade is:
The brake system that applies and releases the brakes when the driver uses the brake pedal is the ________ brake system.
When should the spring brakes activate?
When the safety valve releases air this indicates ___________.
When you release the brakes and reduce the air pressure what makes up for that air loss?
What type of brakes pushes a wedge between the ends of two brake shoes to stop the vehicle?
When does the air compressor governor allow air to start pumping?
The air compressor governor controls:
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:
If you need to make an emergency stop, you should brake so that you can ________.
How are brakes designed?
Some vehicles are equipped with a separate air tank used specifically to release the spring brakes in an emergency, called a:
Brake drums or discs _______.
Air tanks should be drained:
To prevent too much pressure from building up in the system, what is installed?
Manual air tank drains require: