Get ready to ace the CDL Air Brake Test with our free questions. Understand every aspect of air brake systems and test requirements to ensure safety and compliance on the road.
Study the Components
Practical Experience
Practice Tests
Pre-Trip Inspection Practice
Exam Feature | Details |
---|---|
Number of Questions | Typically 25 multiple-choice |
Passing Score | Approximately 80%, varies by state |
Time Limit | Around 1-2 hours, varies by state |
Key Topics | Air brake system components, function, maintenance, inspection, proper usage, troubleshooting |
Test Format | Computer-based in most states; practical component includes hands-on tasks |
Retake Policy | Varies by state; waiting period and fee may apply for retakes |
Prerequisites | Valid CDL; age, medical, and knowledge requirements as per state regulations |
Understanding the Systems
Functionality
How to Pass on the First Attempt
Validity and Maintenance of Air Brake Endorsement
Retaking the Test After Failure
What is the CDL Air Brake Test?
The Importance of this Knowledge
Pro Tip: During the test, take your time with each question and remember the practical applications of what you’ve studied. Theory when backed by practical understanding is a winning combo for the CDL Air Brake Test.
Question 1: Air Brake System Pressure
Question 2: Brake Lag
Question 3: Air Tank Draining
Question 4: Brake Fading
Question 5: Spring Brakes