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Free Illinois CDL Air Brakes Test 2024 | IL

Part of mandatory Entry-Level Driver Training Course Based on 2024 IL commercial driver's license manual Available in EN, ES

What to expect on the actual IL CDL exam

  • 25questions
  • 20correct answers to pass
  • 80%passing score

Today, your knowledge of air brakes will be tested. THis will help you do better on your upcoming DMV air brake exam. The 30 multiple-choice questions included are based on information from the Illinois Commercial Drivers License Study Guide, and are meant to closely simulate the exact types of questions you will find on your DMV exam. Read each question as well as the accompanying answer explanation carefully, so that you will be prepared if the exam asks about these topics in a different manner. Keep practicing, good luck, and drive safely!

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.

For our strict accuracy and quality standards, see our Commitment to Accuracy.
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Perfect for

  • First-time IL CDL and CLP applicants
  • CDL holders adding endorsements
  • IL CDL renewal applicants