Based on 2024 MI CDL manual

Mistakes allowed
Passing score
Official MI Air Brakes: What to Expect
Total number of questions

Number of questions required to pass

Percentage required to pass

Michigan Commercial Driver's License
Michigan Commercial Driver's License

At what PSI does the safety valve in the air compressor tank open? If you are preparing for the CDL air brake test, we can help you pass! Our Michigan CDL Air Brake Practice Test is your best shot at passing the real exam on the first try. We used the official Michigan CDL handbook to create 25 questions that are like those found on the Air Brake Test. To pass the practice test, you will need an 80%. Each question comes with a detailed explanation, so you can learn from your mistakes.

Failing an exam and then having to re-register costs both time and money. Test the skills that you have learned before you take the exam and protect your investment. Try Take the Michigan CDL Air Brake Practice Test and get ready to pass your exam!