Iowa Air Brakes Practice Test 1
Official IA Air Brakes: What to Expect
Are you nervous about taking the CDL air brake test at the DMV? The complexities of air brake systems make for a challenging exam. Would you like to see how you would do on the real exam prior to test day? Our Free Iowa CDL Air Brake Test asks all of the questions as the endorsement exam. If you can solve 80% of the 25 questions correctly, you will pass our test. You won’t end the test without knowing which questions you got wrong either. We provide answers to all of the questions so that you can check your work afterward. Expect to answer questions about air brake maintenance, operating vehicles with air brakes, and inspecting air brakes for proper functioning.
Test-day jitters can throw a wrench in your exam-taking. Try our Free Iowa CDL Air Brake Test, and you will be comfortable taking the real thing at the DMV!