Illinois Air Brakes


This free CDL practice test will focus on 30 questions related to the Air Brake portion of the Illinois CDL exam. For this you will need to know the parts of a single and dual air brake system, how to inspect and use them. Be sure to also take the Illinois General Knowledge and Illinois Combination Vehicle practice tests.


Great job you’ve finished the Air Brakes CDL Practice test! Please enter your name and email. Your results will be presented on the next page. Feel free to retake the test as many times as you need to.

Worried about passing your CLP exam? As a student of a DRC network school, we’ll give you all of the resources needed to pass each section of the written CDL exam. Not enrolled yet? Learn more by calling 800-391-2754 or apply now.

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