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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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The Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
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ON Class B Commercial Driving Licence Exam Simulator
- Based on 2025 ON commercial driver's licence manual
- Updated for September 2025
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
Step into the driver’s seat with confidence using our Ontario Class B Exam Simulator. Meticulously crafted to mirror the actual Class B commercial driver’s test in Ontario, this simulator offers a realistic and challenging testing experience. It includes a diverse range of questions directly aligned with the 2025 Ontario commercial driver’s manual, ensuring you are tested on relevant and current information. Each session randomly selects questions from our extensive database, providing a fresh and unpredictable challenge every time, just like the real exam. The simulator mimics the structure and the format of the actual Class B test, preparing you for the real-world testing environment. Test your knowledge and readiness under exam conditions, and identify areas for improvement. Our ON Class B Exam Simulator is the final step in your preparation journey, designed to boost your confidence and readiness for achieving success in obtaining your commercial driver’s license.
- Based on 2025 ON commercial driver's licence manual
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
This test is a Premium member exclusive. You'll get
About this test
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 actual ON exam
20
questions
16
correct answers to pass
80%
passing score
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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 province'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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The Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.