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
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
"A slack adjuster’s free play needs to be adjusted if it is more than about ______ when you pull hard on it."
Excessive use of the service brakes results in overheating which can lead to:
At 55 mph on dry pavement, the air brake lag distance is how many feet?
The supply pressure gauge shows how much pressure:
To make sure that the spring brakes come on automatically, do all of the following except:
In most newer vehicles, the parking brake control will be:
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
Some vehicles are equipped with a control allowing you to apply the spring brakes gradually, called a:
It is not safe to drive a vehicle that has brake drums with cracks that are longer than _____ of the width of the friction area.
The safety valve is set automatically when pressure is:
If your truck has a dual air brake system, and one of the systems is low on pressure:
Which of these is NOT a proper time to apply the parking brakes?
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the:
The brake pedal in an air brake system _______.
You should avoid using the parking brake when _______.
The service brake system ________.
On newer vehicles what color is the parking brake knob?
Brake drums should not have cracks longer than what length?
The air compressor is connected to the engine through ______.
If air supply drops when driving, the tractor protection valve ________.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
Vehicles without automatic air tank drains need to be checked manually to remove ________?
Typically, at what psi does the air compressor governor stop the compressor from pumping air?
The governor stops the compressor from pumping air at: