All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All Plans| 90-100 | => | 14% |
| 80-89 | => | 57% |
| 70-79 | => | 14% |
| 60-69 | => | 14% |
| <60% | => | 0% |
You can depend on our practice test series to remove the difficulties you have in understanding air brakes. Our third free CDL Air Brakes practice test takes a logically sound approach to helping you grasp the essential structure and functions of air brake systems. Your driving opportunities will instantly increase by removing the air brakes restriction from your Minnesota commercial driver’s license (CDL). While it may have taken the Vikings nine years to reach the Super Bowl, the practice test can expand the essential skills you developed through Entry-Level Driver’s Training (ELDT) to qualify for the best jobs in a short amount of time.
Our CDL Air Brakes practice test validates your understanding of these systems, which will allow you to remove the restriction. You must pass an official Air Brakes knowledge test and demonstrate your ability to inspect and operate an air brake-equipped vehicle to remove the restriction from your CDL. The practice test contains 30 questions, mimicking those on the official knowledge test, to assess your current knowledge level and help you develop an effective study plan. You must correctly answer at least 80% of the 25 questions on the official knowledge test to pass. Using a strategic approach to eliminating your learning barriers, the practice test makes this score easily attainable. The practice test supports a learning process that steadily builds upon your existing skills.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
This CDL Air Brakes practice test uses reliable information to elevate your confidence in competently operating air brake systems. The practice test is based on the most recent Minnesota DVS CDL manual (Minnesota CDL Handbook 2026) and is up to date as of January 2026. Using information from the CDL manual, the practice test responds to any wrong answer you provide with a detailed explanation of the correct one. You can fully trust the accuracy of the information provided because it is taken from the most authoritative source. The practice test makes its teachings easy to understand by not overwhelming you with technical language. You will be fully prepared to successfully apply the information you learn to your driving practices and most likely pass the official knowledge test on your first try. Traditional study methods, such as study guides, can’t be expected to deliver comparable results. Study guides limit you to learning surface knowledge by training you to memorize the answers to a series of questions. This approach can lead you to gloss over critical information. Our third free Minnesota Air Brakes practice test goes further in making certain you can handle the responsibility of safely and competently operating air brake systems.
Paisley Park is a place for celebrating the creative spirit, and you can rejoice in the professional driving skills you develop with the practice tests at https://driving-tests.org/minnesota/mn-cdl-practice-test/.
Driver’s Ed is - nobody wants to set foot inside the DVS. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2026 MN Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DVS.
