- Based on 2025 MB commercial driver's licence manual
- Updated for May 2025
FREE Manitoba Class 3 Licence Test
In Manitoba, holding a Class 3 commercial driver’s licence opens up a wide variety of job opportunities. Class 3 vehicles are typically single-unit trucks with three or more axles. These vehicles come in a vast number of different configurations. Class 3 trucks commonly used in Manitoba include concrete mixers, dump trucks, flatbed trucks, tanker trucks, vacuum trucks, water trucks, and single-unit snowplow and sanding trucks. Our Manitoba Class 3 Licence Practice Test is here to help!To apply for a Class 3 commercial driver’s licence in Manitoba, you must be at least 18 years old, hold a Class 5A (Authorized Instruction) or 5I (Intermediate Stage) driver’s licence at minimum, submit a Medical Examination Report, and pass a vision screening test.Next, you must pass a Manitoba Class 3 knowledge test on the theory of driving Class 3 vehicles. You must score at least 80% to pass. Passing the test enables you to obtain Class 3 Authorized Instruction, which will allow you to practice commercial driving under supervision. Your supervising driver must have held a minimum Class 5F driver’s licence for at least three years, including at least two years with a Class 3 licence. Mandatory Entry-Level Training (MELT) is not required for a Class 3 licence in Manitoba.For a Class 3 licence, you should also obtain an Air Brakes endorsement on your Class 3 licence because most Class 3 vehicles in Manitoba have air brakes. To do this, start by passing the official Air Brake knowledge test. To obtain the Air Brakes endorsement, you must also pass the official practical air brake test before or with your Class 3 road test.The Manitoba Public Insurance (MPI) Professional Driver’s Manual and Air Brake Manual are the official references for aspiring commercial drivers in the province. However, if you would like more intensive knowledge training in Class 3 driving than you can get by reading the manuals, we can help!This 25-question Manitoba Class 3 practice test, the first of twelve such tests we offer, covers the basics of operating Class 3 vehicles. All practice questions are based on the above MPI references. If you get stuck on a practice question, ask our AI Assistant to give you a hint, rephrase the question, or answer your own questions about commercial driving. If you still miss the practice question, the AI Assistant will give you the correct answer and an explanation.
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
What to expect on the official exam
25
questions
20
correct answers to pass
80
passing score
Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei Zakhareuski Updated over a week ago
At Tests.ca, we understand the importance of reliable and accurate practice tests to help you prepare for your driver's knowledge exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
- Alignment with Official Driving Handbooks:
Every question we develop is based on the most recent version of each province's official driving manual. Our team regularly monitors each province's official website for the latest updates to ensure our practice tests are always aligned with the most current information. - Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation. - Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy. - Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors. - User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly. - Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the provincial government manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the government publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your driver's knowledge exam.
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List of questions (classic view)
- In determining how well your air brake system works, which is NOT a significant factor?
- Which colour is the trailer supply line?
- When is a pre-trip inspection required?
- What gauges should you check after starting your vehicle?
- Why are there two service tanks in a modern air brake system?
- What is the purpose of the National Safety Code?
- What does this sign mean?
- In Canada, how many classes of dangerous goods are there?
- What must you do at a stop sign with a painted stop line?
- When brakes become overheated, they also become
- What does this sign mean?
- Your vehicle is equipped with an air brake system, including a belt-driven air compressor. How do you check for correct belt tension?
- What does this sign mean?
- Before driving down a grade (hill), you should
- What does this sign mean?
- Your vehicle has tandem drive axles and is equipped with an inter-axle differential. You should NOT use it if
- What does this sign mean?
- What is a commercial vehicle's danger zone?
- This sign indicates that you may park for one hour
- What is the first step of the pre-trip inspection?
- In a vehicle equipped with air brakes, the pushrod stroke occurs when compressed air enters the
- What is the Gross Vehicle Weight Rating (GVWR)?
- Driving a commercial vehicle on the road is
- In an air brake system, what does a governor do?
- Where are the air brake chambers located?
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