Based on 2024 NE CDL manual

Questions
25
Mistakes allowed
5
Passing score
80%
Official NE Air Brakes: What to Expect
25
Total number of questions

20
Number of questions required to pass

80
Percentage required to pass

Nebraska Commercial Driver's License
Nebraska Commercial Driver's License

Ready to take your air brakes endorsement test? Make sure you are by first taking our free Nebraska CDL Air Brakes Practice Test. You’ll find 25 thought provoking questions covering such important topics as disconnected airlines, contaminated air supply, fail safe devices and more. Each question is multiple choice with four possible answers and you have to select the correct one. Drivers who have not passed the air brakes endorsement test will have an air brakes restriction on their CDL license and won’t be able to drive vehicles with air brakes.

What are the three types of brakes used in commercial air brake systems? What is the name of the device that pumps air into the air storage tanks? You’ll find the answers to these and other important questions on our practice test. All practice test questions are drawn from the Nebraska CDL Handbook, the same resource that is used for the actual air brakes endorsement test. Our practice test also features answer explanations, which can help you further your knowledge even more. This practice test is also formatted like the real test to help you better prepare for visiting the DMV and taking the actual test. You can also take this practice test an unlimited number of times to ensure that you know all of the content. Earning your air brakes endorsement is an important milestone for many commercial drivers. Don’t leave your test performance up to chance. Take our practice test now and ensure you are ready to earn your air brakes endorsement.