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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.
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View All Plans| 90-100 | => | 10% |
| 80-89 | => | 23% |
| 70-79 | => | 10% |
| 60-69 | => | 18% |
| <60% | => | 38% |
There are three classes of Commercial Driver’s Licenses (CDLs). The Class A CDL allows you to operate commercial vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, in which the towed vehicle weighs over 10,000 pounds. This CDL class is most suitable for aspiring commercial drivers interested in driving semi-trucks and tractor-trailers.
A Class B CDL lets you operate a single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any vehicle towing another vehicle that does not exceed 10,000 pounds. With this type of license and the appropriate endorsements, you can drive large passenger buses, full-size school buses, box trucks, and straight trucks.
You should consider getting a Class C CDL if you plan to drive passenger vans and small buses. This license class is required to operate any vehicle designed to transport 16 or more passengers (including the driver). You’ll also need a Class C CDL to drive vehicles transporting hazardous materials.
All aspiring commercial drivers in Maine must pass a 50-question knowledge exam on the various aspects of general commercial driving theory. Your knowledge will be evaluated at a DMV office, and you must achieve a score of 80% or higher to pass. We’ll help you achieve a passing score on your first attempt, but you must put in the time and effort to build a strong foundation of knowledge.
You’re about to take our third Maine CDL General Knowledge Practice Test. It includes questions based on the official Commercial Driver License Manual (Maine CDL Handbook 2026). There’s no timer, so you won’t be pressured by a countdown. Even though it takes around 5 minutes to complete this practice test, you should avoid rushing. Study at your own pace and take as long as you need to finish each practice session.
Take our Free Maine CDL Permit Practice Test and evaluate your knowledge before exam day. It is available online, and you can access it on any compatible device. Please keep in mind that you will need a stable internet connection at all times. Good luck!
M.S. (MIT, Columbia), Chief Educational Researcher. ACES member (Society for Editing). Verifies all 50 state tests against official handbooks weekly.
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Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
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Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
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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 DMV.
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