Ready to test your air brakes knowledge? Our free Tennessee CDL Air Brakes Practice Test is sure to test your understanding of air brakes and how to use them. On this practice test you will find 25 questions covering all the need to know topics, such as air brake system components, air brake functioning and more. Here are two examples of the types of questions that can be found on the exam: If your brakes are very hot from a long downgrade what should you avoid? If the air compressor develops a leak what will keep the air in the tanks?

In order to operate a bus or truck that has air brakes, you must know the information contained in Air Brakes section of the Tennessee CDL Handbook. That’s where we have drawn the information for our questions. You need to answer at least 20 of the questions correctly to pass our practice test. A passing score on this practice test will indicate that you are ready to pass the actual air brakes test. If you do not pass the air brakes test you will have a restriction placed on your license and you will not be able to drive trucks with air brakes and a lot of trucks use air brakes because they are very effective for safely and effectively stopping large vehicles. We have included answer explanations to help you learn the content of this practice test. Don’t go to the DMV unprepared. Take our practice test and discover what you need to know pass the real air brakes test.

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Tennessee CDL Air Brakes Overview:
25 Total number of questions:
20 Number of questions required to pass:
80 Percentage required to pass:
Tennessee CDL Handbook 2019

Get the latest (2019) official TN CDL Handbook.