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In the North Star State, the energy and fuel distribution sector is the largest employer of commercial drivers holding an X endorsement on their CDL (Commercial Driver’s License). This special certification combines both the Hazardous Materials (H) and Tank Vehicles (N) endorsements, allowing drivers to operate tankers that transport hazardous liquids and gases. To qualify for this job, you must be at least 21, hold a valid driver’s license, pass a vision screening, and pass a medical exam, among other requirements.
Before you can get behind the wheel of a tanker truck, you must pass several theory exams. The official general knowledge test will evaluate your understanding of general commercial driving theory. This subject is thoroughly discussed in the official Commercial Driver’s Manual (Minnesota CDL Handbook 2026). Our Free Minnesota CDL Permit Practice Test can help you achieve a passing score on your first attempt. Train with this tool daily, and your knowledge will gradually improve over time.
Several online tools are available to aid your study, but our practice tests are the leading choice for many students. 49 aspiring commercial drivers are currently in a practice session, improving their knowledge through active learning. The practice test that you’re about to take can make the difference between failing and passing the official Tanker Vehicles knowledge exam. It is part of our Minnesota CDL Tanker Vehicles Practice Test series, which is available online, 24/7.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
Always read each question at least twice. You don’t have to worry about a countdown, as many of our practice tests are untimed, including this one. Finish each session at your own pace and avoid rushing. If you make a mistake, we will immediately point it out, so you won’t have to wait until the test ends to know what went wrong. Pay attention to the detailed explanation provided and use it to turn a mistake into a learning opportunity.
Start your training today and dedicate the following weeks to your learning phase. If you plan to haul hazardous materials in a tanker, you should check out our Free Minnesota CDL HazMat Endorsement Practice Test. Train with it regularly to fully understand the risks and responsibilities involved.
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.
