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NH CDL Air Brakes Practice Test 3 2025

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

Most large commercial vehicles, such as semi-trucks and full-size buses, require you not to have an air brakes restriction on your New Hampshire commercial driver’s license (CDL) to operate them. While the Granite State offers numerous driving opportunities, you’ll need a solid understanding of air brakes to apply for them. Our Air Brakes practice test series provides you with the essential skills necessary to grasp the structure and functions of these systems. Using our third free CDL Air Brakes practice test, you will experience a groundbreaking study method that yields extraordinary results. The practice test is expertly designed with an interactive ability to target your learning obstacles. You’ll rapidly gain the skills to become an air brakes expert.

Focused on eliminating the barriers to your success, our CDL Air Brakes practice test uses a strategic approach to help you accomplish your learning objectives. Removing the air brakes restriction requires you to demonstrate your ability to inspect and operate the system and pass an official Air Brakes knowledge test. The practice test begins by assessing your current knowledge level using 30 questions similar to those on the official knowledge test. With these results, you can develop a study plan to help you correctly answer at least 80% of the 25 questions on the official knowledge test to pass. The crucial information required is readily available and comes from a reliable source.

This CDL Air Brakes practice test is making the methods of traditional resources, such as study guides, outdated and increasingly rejected. Study guides train you to memorize the answers to a series of questions. The problem with this approach is that it limits you to learning surface knowledge and offers no help in correcting your misunderstandings. In comparison, the practice test is able to respond to your incorrect answers with a detailed explanation of the correct ones. You can rely on the accuracy of the information because it is taken directly from the most recent New Hampshire DMV CDL manual (New Hampshire CDL Handbook 2025) and is up to date as of November 2025. The information can be successfully applied to various driving scenarios and make it likely that you will pass the official knowledge test on your first try. This New Hampshire CDL Air Brakes practice test is the most time-efficient way to advance your driving career.

It doesn’t take long to count the votes in Dixville Notch, and you can develop professional driving skills in a short amount of time using the practice tests at https://driving-tests.org/new-hampshire/nh-cdl-practice-test/.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
NH CDL Air Brakes Practice Test 3 2025
Commercial Driver's License
Based on official NH 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 NH permit test

25

questions

20

correct answers to pass

80%

passing score

More NH CDL test resources

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