Ontario Class B (Bus) Commercial Licence Practice Test 5
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 ON commercial driver's licence manual
- Triple-checked for accuracy
- Updated for August 2024
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.
Welcome to Practice Test 5! This test is designed to help you understand specialized driving techniques essential for Class B drivers in Ontario. Consisting of 50 questions, this test will guide you through complex maneuvers, a skill required by the Ontario Ministry of Transportation. The passing score is 80%, which mirrors the real exam. Keep in mind, you must be at least 21 years old to apply for a Class B license in Ontario.
What to expect on the official exam
50
questions
40
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.
List of questions (classic view)
- Exhaust gases entering the vehicle's cabin due to an exhaust-system leak constitutes which sort of defect?
- For air bags, each of these counts as a major defect EXCEPT
- What sort of defect is it when a tire is rubbing against another tire or vehicle component?
- If a window or door fails to close securely, what type of defect does this constitute?
- When there are visible signs warning of a possible wheel, hub, or bearing failure, what sort of defect is it considered?
- When the brake fluid level falls below the manufacturer's prescribed minimum level, what type of defect is it deemed?
- Is it considered a defect if a compartment door is either missing or insecure?
- What sort of defect is it when any part of the vehicle's body is either insecure or missing?
- What can a loss of brake fluid cause?
- If the required alarm for the emergency exits is not working and there are passengers present, what type of defect is this considered?
- How should you inspect the level of hub oil?
- If you suspect a tire leak but you can't feel it or hear it, does it count as a defect?
- A loose U-bolt in the vehicle's suspension counts as what kind of defect?
- In relation to a frame component, which of the following is NOT considered a major defect?
- If you notice an exhaust leak, what type of defect is it?
- What sort of defect is it when a lamp is either missing or not working?
- When the hydraulic brake reservoir is less than a quarter full, what type of defect is it deemed?
- If there is noticeable damage to the tread or sidewall of a tire, what sort of defect does it constitute?
- When the attachments for a needed mirror or another piece of glass are damaged, what kind of defect is it?
- What type of defect is it when the low air-warning either fails to operate or operates prematurely before air pressure drops below 55 psi?
- If an air leak is discernible in the air-suspension system, what kind of defect does it constitute?
- In the inspection of any wheel, rim, or part used to attach the wheel or rim, which of the following are considered major defects?
- What happens when any door doesn't secure appropriately when passengers are present?
- Which of the following is not a minor defect with regards to suspension fasteners?
- What type of defect is it when any spring has a single broken leaf?
- 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?