Free Illinois CDL Air Brakes Test 2023 | IL

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!