ON Class C Commercial Licence Practice Test 6

Prepare for success with our Ontario Commercial Class C Test 6. This test, aligning with the 2025 Ontario commercial driver’s manual, introduces you to more challenging scenarios and questions. Test 6 includes topics such as intricate vehicle inspection procedures, load securing techniques, and advanced navigation skills for Class C drivers. It's an essential tool for a comprehensive understanding and application of Class C driving knowledge.

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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.
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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)

Cars A and B have arrived at this intersection at about the same time. Car A wants to turn left and Car B wants to go straight. Who has the right-of-way?
Compounding the air brakes can
Different-sized tires can
Double-clutching is
During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
During freezing conditions, you should exercise extreme caution when driving through which of the following?
During your brake tests, you find that the brakes are not operating safely. What should you do?
During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
Every written trip inspection report must include which of the following?
For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
For optimal safety, your head restraint should be positioned so that its centre is level with
Funeral processions have right-of-way over you…?
How can you downgrade from a commercial licence to a non-commercial licence?
How can you ensure smooth braking of a large commercial vehicle?
How can you tell how much air pressure is in the service reservoirs?
How do you ease your vehicle into a smooth stop?
How often should you look at your mirrors?
How should you drive through a large amount of water on the roadway?
How should you handle driving around a curve?
Idling for longer than five minutes can
If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
If a fire starts in your vehicle, you should do which of the following?
If a peace officer asks for your logbook and supporting documents, what documents should you provide?
If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
If another driver wants to pass your vehicle, what should you do?
If someone is tailgating you, what should you do?
If you are going to park for longer than ________, you should turn off your engine.
If you are parking a bus on a downgrade, you should
If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
If you are parking a vehicle on a downgrade, you should
If you are parking your vehicle on an upgrade without a curb, you should
If you are required to keep a logbook, what must you have in your possession?
If you are unable to keep up with traffic on a steep grade, what should you do?
If you feel tired while driving,
If you find a defect or deficiency in your passenger vehicle, what should you do?
If you find a major defect in your vehicle during your pre-trip inspection, when must it be repaired?
If you leave the paved portion of the roadway, which of these should you NOT do to return to the roadway?
If you miss your exit on a highway, you should
If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?
If you must drive more slowly than the traffic flow, you should
If you need to keep a daily log, what else do you need to keep with you?
If you reduce a tire’s air pressure when it is warm,
If you see this sign, it means you are
If you're driving a motor home, you should maintain a following distance of at least ________ behind the vehicle in front of you.
If you're on a 14-day cycle, what is the maximum number of hours you can drive within 14 consecutive days?
If your brakes get wet, what should you do?
If your vehicle breaks down on the freeway, you should
If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo securement system?
If your vehicle starts to hydroplane, what should you do?
If your vehicle starts to pull strongly to the right, it indicates