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Free Mississippi CDL Air Brakes Test (MS)

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2024 MS commercial driver's license manual
  • Updated for July 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Commercial Driver's License

About this test

9 min to complete
Available in EN and ES

An important part of having the commercial driving career that you want is being able to drive any vehicle available, so that you have an edge over other drivers who might not be capable. This means that you must learn how to handle air brakes. Today, you will be taking a practice exam that will prepare you to pass the CDL air brakes exam, with 30 multiple-choice questions based directly on the Mississippi Professional Driver’s Manual. Each question comes with a hint, should you need it, and an explanation, which you should read carefully so that you are prepared to answer future questions about each topic. Take the exam as many times as you can, so that you are fully comfortable, and you’ll be completely ready for the real CDL air brakes exam, and a much safer driver in general!

To fully understand the Air Brakes endorsement process and to master the material for the written exam, explore our detailed guides on the Air Brake endorsement and the Air Brakes written test.

What to expect on the actual MS CDL exam

25

questions

20

correct answers to pass

80

passing score

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