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CDL Air Brakes Written Exam Simulation


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For the Real Air Brakes Endorsement Test:

  • How Many Questions:25
  • How Many Correct Answers to Pass:20
  • Passing Score:80%

2024 CDL Air Brakes Written Exam Simulation

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  • Choose the best answer.
  • Submit your answers & review your score.
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Test your knowledge with this CDL written exam simulation.

Practice with more questions at once to get yourself ready for the real exam.

Be sure to study the Air Brakes section (section 5) of the official CDL handbook from your state as you prepare for the real thing. 

Need some more practice? Use our Air Brakes practice test with instant feedback to help you study. 

Here’s what you need to know about your official CDL Air Brakes knowledge exam:

  • Total Number of Questions: 25
  • Passing Score: 80% or 20 correct answers.
  • Number of Questions you can miss: 5 questions.
  • CDL Handbook Section to Study: Section 5 – Air Brakes
  • Air Brakes Test Required for: CDL drivers who want to operate any commercial vehicle with an air brake system.

Learn how to apply for a CDL and find the CDL manual for your state.

Visit your state’s official DMV website for more application information and to make testing appointments.