ON Class C Commercial Licence Practice Test 3

Dive deeper into your Class C commercial driver’s license preparation with our Ontario Commercial Class C Test 3. Tailored to challenge and enhance your knowledge, this practice test is an integral part of your journey towards mastering the Class C vehicle operation in Ontario. Reflecting the 2025 Ontario commercial driver’s manual, Test 3 presents a set of advanced questions that delve into intricate aspects of driving Class C vehicles. This includes detailed scenarios on navigating complex road situations, understanding advanced vehicle mechanics, and adhering to provincial regulations. Designed to simulate the format of the actual Class C exam, this test not only tests your knowledge but also hones your test-taking skills. Each question is accompanied by thorough explanations, providing an opportunity to learn from each response. Ideal for those nearing the end of their study regimen, Test 3 is a crucial step in ensuring you are fully prepared, knowledgeable, and confident for the Class C licensing exam.

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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.
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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)

Do regulations concerning hours of service apply to school bus drivers?
After at least eight hours off-duty, a school bus driver cannot drive more than how many hours?
What precaution should drivers take when driving near a roadside construction site?
What kind of vehicle generally uses threshold braking?
What is the safest action if dense fog drastically reduces visibility while you're driving?
When are drowsy-driving collisions most likely to occur according to research?
What is legally required of a driver involved in a collision?
Which is not a recommended safety tip for driving in snow?
It is unlawful to follow at a distance less than how many metres from emergency vehicles like fire vehicles or ambulances?
What should you avoid doing when you see an approaching emergency vehicle with its lights or siren on?
All of the following can help reduce the risk of skidding EXCEPT
Which statement is incorrect? These factors may lead to skid
By law, when should you report any collision to the police?
At what speed should you test your vehicle's brakes by stopping quickly and firmly when they are wet?
Which of the following isn't a method to reduce your chances of colliding with an animal on a roadway?
If you encounter a large animal while driving, you should NOT
In winter, what should the road's asphalt look like?
Why are animal-crossing signs installed on the road?
How does the anti-lock braking system (ABS) function?
Does the Anti-lock Braking System (ABS) reduce the vehicle's stopping distance?
What does hydroplaning refer to?
During a vehicle breakdown where the speed limit is above 60 km/h, at what distance should you place flares, lamps, lanterns or reflectors in front of your vehicle?
During a vehicle breakdown, at what distance should you place flares, lamps, lanterns or reflectors behind your vehicle?
If there's an injured person at a collision scene but you're not trained in first aid, what should you do?
If your bus breaks down on the highway, what's the best course of action?
As per police, fire or ambulance, which other vehicle is considered an emergency vehicle when it's stopped with flashing lights?
What should you do immediately after driving through a flooded roadway?
How does the Anti-lock Braking System (ABS) function?
Which of these is not an indicator that your fatigue level could put you at risk while driving?
Which of these statements is incorrect? To decrease driver distractions, you should...
Which of the following is not usually treated as an unusual temporary condition sign on the road?
To safely load or unload passengers, the driver should be able to see the road in each direction to a minimum distance of...?
Is it obligatory to share your information with a driver even when the damage caused during an accident is minimal?
When exiting the bus during an emergency, what is the driver's responsibility after all passengers have left?
If a yellow beacon is flashing above an intersection, what does this signify?
Are school buses permitted to reverse on school grounds?
The automatic transmission in your bus does not have a "Park" position. To park your bus, what position should you use instead?
If you have to back up at a non-designated location, what should be done to ensure safety?
How can drivers identify a school-bus loading zone?
Before setting off, what must you do to ensure that no passengers are crossing in front of the school bus?
When stopped at a railroad crossing, what action should the driver take?
Is there any circumstance in which you are permitted to make a left turn on a red light
What shape are warning signs typically?
Are buses and school buses required by law to carry an appropriate fire extinguisher?
When a traffic light turns yellow, what is the driver advised to do?
What is commonly known as a traffic beacon?
What does a flashing red beacon above an intersection signify?
What does a broken yellow line indicate on the road?
When faced with a flashing yellow traffic signal, what should a driver do?
In case of a power outage where traffic lights are not working at intersections, what action should you take?
When you face a flashing green light or a left-pointing green arrow with a green light at an intersection, what color is the traffic light for oncoming traffic?
If a fire extinguisher is missing from the bus while passengers are on board, what type of defect is it considered?
What is not a required step after a minor traffic collision with no injuries involved?
When the brake pushrod stroke exceeds the set limit, this is classified as what type of defect?
How long do demerit points remain on your driving record?
Which of the following circumstances would not require the police to test for impairment from alcohol and drugs?
How many mistakes are permitted during the daily inspection test?