- Based on 2025 ON commercial driver's licence manual
- Updated for January 2025
ON Class C Commercial Licence Practice Test 5
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
questions
correct answers to pass
passing score
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Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
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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- Is it mandatory to keep the first aid kit replenished at all times?
- Which one is not qualified as a defect relating to the Emergency equipment you have in the bus?
- What may happen if your licence plate is not clearly visible?
- When a passenger seat is occupied and the seat is insecure, what type of defect is it?
- When would a mirror's glass surface be considered as having a major defect?
- When inspecting the windshield, make sure that
- Why is it important to maintain enough distance between you and the vehicle ahead?
- At what pace should the vehicle backing always be done?
- You're driving a school bus. Before driving away from a bus stop, what should you confirm after passengers have boarded the bus?
- Is it necessary to inspect the bus steps and floor?
- What should be done if the student safety crossing arm is not present?
- What is the severity of the defect when the stanchion padding is damaged?
- After clearing an intersection, why should mirrors be checked?
- Which is NOT a valid reason that you should turn off your engine when you stop for any length of time?
- Which is NOT a minor defect related to the stop arm of a Class B and E vehicle?
- At about what rpm should you practice progressive gear shifting?
- In normal weather conditions, for how long should you typically let your vehicle warm up?
- Which of the following is NOT considered a defect if found on the wiper blade?
- Which following location is suitable for making a lane change?
- Where should you slow your vehicle while exiting an expressway?
- Why should you not take a long time to perform a lane change?
- Why should you release the accelerator when going downhill?
- What type of defect is a damaged seat that won't stay in the required position for driving?
- When must transmission shifts be performed while navigating an intersection?
- How long should you warm up your vehicle if the temperature is below 0 degrees Celsius?
- When performing a lane change, you should stay within _______ of the posted speed limit.
- When driving a manual transmission vehicle, why should you run the engine in the highest gear range?
- Which of the following would NOT be a defect of a passenger seatback or the passenger-protection padding?
- Which of the following is NOT a benefit of properly warming up a vehicle?
- While the bus is stationary, where should a bus driver continue to look?
- A controlled railway crossing may have
- A light-rail transit (LRT) train may take up to ________ to stop in an emergency.
- A Slow-Moving Vehicle sign should be placed on any vehicle that travels no faster than
- A tire that is overinflated or underinflated can
- A tractor-trailer travelling at high speeds creates air turbulence in which of the following areas?
- A vehicle that is twice the weight of a car and is travelling at twice the speed of that car requires how much braking power to stop in the same distance?
- A white diamond marking in your lane indicates that
- A white X pavement marking in your lane means that
- What is a danger zone?
- Which dashboard gauge can help you decide when to upshift?
- Airbags are
- An engine governor is
- An octagonal (eight-sided) red sign is
- An oncoming vehicle at night has not dimmed its high-beam headlights. What should you do?
- Any defect or deficiency that you find on your bus must be
- At a railroad crossing, flashing red lights and ringing bells mean that
- At a stop sign, you must
- At an intersection with no traffic lights or traffic signs, you should
- At an intersection, the traffic light is red, but a police officer motions you to go through. What should you do?
- At what speed should you back up your vehicle?
- At which of the following engine speeds should you drive your vehicle?
- Before you drive your vehicle, you should
- Before you drive, you should
- Before you enter a curve, what gear should you select?
- Before you may turn left at an intersection, you must yield to
- Besides regular brake maintenance, who is responsible for ensuring that the brakes of a vehicle are working properly before the vehicle is driven?