Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat Sheet

Nevada CDL Permit Test - Air Brakes

Number of questions: 25
Passing score: 20
Directions: This endorsement is required for driving a vehicle with air brakes. To receive this endorsement, applicants must pass a written test. The test consists of 25 multiple choice questions. Each question has three or four answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Nevada Commercial Driver License Manual. Questions come from the chapter covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
5 or fewer errors
advertising
1.
If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
Test the brakes while driving, but continue driving if nothing seems wrong.
Immediately stop driving.
Drive with the hazard lights activated.
2.
When parked on a flat surface, you should:
Use wheel chocks to prevent your vehicle from moving.
Not use wheel chocks.
Use wheel chocks, but only if you have applied the parking brake.
3.
What is removed when an air tank is drained?
Water and oil
Ammonia
Liquid cleaners
4.
You should not use the parking brake:
If your vehicle is stopped on a level surface.
If your vehicle is stopped on a slight incline.
If your vehicle's brakes are very hot.
If your vehicle's other braking systems seem to be working adequately.
5.
Why do large vehicles use air brakes?
Other brake systems squeak too loudly.
Air brakes are very effective systems.
Other braking systems are hard to come by.
6.
Vehicles with dual air brake systems:
Maintain full-capacity air pressure in the braking systems even when the vehicle is not running.
Maintain some air pressure in the braking systems when the vehicle is not running.
Must be run to build enough air pressure to brakes to operate properly.
Do not need time to build air pressure before a trip.
Our Latest Videos
Ace Your DMV Written Test
Get your Cheat Sheet Now!

Wait, before you go

Ace your DMV Written Test with our Guaranteed Cheat Sheet.

  • Cheat Sheets Save Time
  • Cheat Sheets pass on your first try