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From Section 5 of the Michigan Commercial Driver's License Manual

Michigan CDL Air Brakes Practice Test

Who takes it: every CDL class (A, B and C).

Needed to drive a truck or bus with air brakes. Without it, your CDL gets an air brake restriction. 25 questions, 20 right to pass (80%).

Study mode

Practice Air Brakes

  • 10questions a round
  • 1manual section
Exam mode

Take the Air Brakes test

  • 25questions
  • 20correct to pass
  • –no test taken yet
Section 5 · p. 85–93 of the Michigan Commercial Driver's License Manual (TS-004 (Rev. 03/24)), opens in a new tab

A Air Brakes question to try

You fan the brakes down and the warning stays dark until the gauge reads 50 psi. What does that mean?

Tap an answer to see if you’re right, and the page

Where it is in the Michigan Commercial Driver's License Manual

Your score on each part fills in as you study.

  • Manual section 5
  • Air brakesNot practiced yetp. 71 to 79

Michigan answers about this test

CDL Air Brakes Test guide23 rules, with the pages in each state's manual

Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · SOS

All Michigan CDL tests