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
If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?
How far should manual slack adjusters move before they need to be adjusted?
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.
Parking or emergency brakes of trucks and buses can be legally held on by ____ pressure.
Emergency stab braking is:
When the air system is low ________.
What negatively affects the braking power of a spring brake?
Another name for the brake pedal is the "foot valve", or:
If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:
When brakes are applied, the brake shoes will press against the:
Under normal braking conditions, the vehicle:
In case of air pressure loss, a mechanical means of preventing the vehicle from moving is called:
Compared to hydraulic brakes, air brakes add how much distance to an average 55 mph stop?
Repeatedly partially increasing and pressing the brake pedal may result in:
If one air system is very low on pressure _______.
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
In a dual air brake system, if the air pressure in one part of the system drops enough to set off the low air warning:
The braking power of the spring brakes ______.
Why do air brakes take longer to stop than hydraulic brakes?
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
You should use the parking brake _____________.
Vehicles with ABS have malfunction lamps that are what color?
In a dual air brake system, one system will typically control the rear brakes, and the other:
If your brakes are wet, what should you do to dry them quicker?
What happens when pressure is put on the air brakes?