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KS CDL Air Brakes Practice Test 3 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

As you progress through our Air Brakes practice test series, you’ll feel more confident in your ability to operate large commercial vehicles. Most of these vehicles, including semi-trucks and full-sized buses, are equipped with air brakes. Using our third free CDL Air Brakes practice test, you can learn to competently operate these systems and expand the skills you learned through your Entry-Level Driver’s Training (ELDT). You may even feel like dancing with the Lollipop Guild after you realize the difference that removing the air brakes restriction from your Kansas commercial driver’s license (CDL) has on securing more driving opportunities.

Covering the essential information you must learn, our CDL Air Brakes practice test helps you develop a firm grasp of the functions of these systems. It is very important for you to learn this information because you must be able to pass an official Air Brakes knowledge test and successfully inspect and operate an air brake-equipped vehicle to remove the restriction from your CDL. The practice test identifies the information you struggle to understand, using 30 questions, similar to those on the official knowledge test. You must correctly answer at least 80% of the 25 questions on the official knowledge test to pass, and the practice test can give you the blueprint to achieve this score.

Making learning an interactive process, this Kansas CDL Air Brakes practice test is designed to provide valuable feedback to correct your misunderstandings. The practice test creates the framework for you to rapidly advance your driving skills. It is based on the most recent Kansas DMV CDL manual (Kansas CDL Handbook 2025) and is up to date as of November 2025. Using information taken directly from this authoritative source, the practice test responds to each incorrect answer with a detailed explanation of the correct one. The practice test doesn’t overwhelm you with highly technical language, so it will be easily understood and absorbed. You can be confident in its accuracy and use it to answer questions about various driving scenarios on the official knowledge test. This approach is more effective than relying on a study guide. Unlike the practice test, a study guide trains you to memorize the answers to a series of questions, thus limiting you to learning surface knowledge. The practice test takes the additional step of explaining the information that increases your chances of passing the official knowledge test on your first attempt.

Chiropractors go to school in Overland Park to learn how to “crack your back,” and you can put your best foot forward in learning professional driving skills with the practice tests at https://driving-tests.org/kansas/ks-cdl-practice-test/.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
KS CDL Air Brakes Practice Test 3 2025
Commercial Driver's License
Based on official KS exam questions
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)
Verified for accuracy November 2025
Methodology & Editorial Policy

8 min to complete
Available in EN and ES

What to expect on the actual KS permit test

25

questions

20

correct answers to pass

80%

passing score

More KS CDL test resources

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