- Based on 2025 ON commercial driver's licence manual
- Updated for January 2025
Ontario Class B (Bus) Commercial Licence Practice Test 11
- 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.
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More resources
- How often are bus operators required to get their vehicles inspected?
- What is the minimum age requirement to drive a bus with a Class C or F licence?
- What is not a part of your road test for Class C and F?
- For a Class C or F licence, what is the minimum class of licence you must have?
- When can you attempt a knowledge test for a Class C or F licence?
- When parking a vehicle with a manual transmission facing uphill, you should always leave the parking brake on and the transmission in
- When driving at night, you should do which of the following?
- When passing parked cars in a bus, what should you do?
- When pulling away from the curb in a bus, you should
- When pulling out from an alley, you must
- When refuelling a school bus, you must
- When refuelling your vehicle, you should
- When should you check the tire pressures?
- When transporting persons with disabilities, you should do all of the following EXCEPT
- When traveling down a steep hill, you should NOT
- When travelling downhill, what can you do to prevent your brakes from overheating?
- When turning left from one two-way street onto another, where should you begin your turn?
- When using the applied stroke method to check pushrod stroke, how much pressure should you apply to the service brakes?
- When you are following a motorcycle, allow extra space between your vehicle and the motorcycle because
- When you are preparing to make a right turn from the right lane, you should shoulder check to the right to make sure
- When you conduct a pre-trip inspection of your vehicle, all of the following should be considered major defects EXCEPT
- When you encounter a flashing yellow signal at an intersection, what should you do?
- When you press down on the clutch in a vehicle with manual transmission, what does it do?
- When you see a potential hazard in your danger zone, you should
- When you're driving in an urban area, you should scan ahead about
- Where are a large commercial vehicle's blind spots?
- Where are a large vehicle's blind spots?
- Which of the following are true about a humpback railway crossing?
- Which of the following are true about brake fade?
- Which of the following can impair your ability to safely operate a vehicle?
- Which of the following can impair your driving?
- Where would an air dryer be installed in an air brake system?
- Which of the following are advantages of a dual air brake system?
- Which of the following can increase the danger of crossing railway tracks?
- Which of the following factors determine the sharpness of your large vehicle’s turn?
- Which of the following may reduce the amount of steering control you have?
- Which of the following should you check periodically during your trip?
- Which of the following statements about a vehicle's turning radius are true?
- Which of the following statements about changing lanes is true?
- Which of the following statements about railway crossings is FALSE?
- Which of the following statements about revolutions per minute (rpm) are true?
- Which of the following statements best describes "proactive (defensive) driving?"
- Which of the following can increase your vehicle's stopping distance (i.e., the length of your danger zone)?
- Which of the following statements about a vehicle's retarder is FALSE?
- Which of the following types of commercial vehicles are required to carry fire extinguishers?
- Which real forces act on your vehicle as you drive around a curve?
- While you drive, you should check your rear-view mirrors
- While you're driving a school bus, it breaks down on the road. What should you do?
- While you're waiting in an intersection to turn left, which way should you point your front wheels?
- Who is ultimately responsible for the condition of the brakes on a vehicle?
- Why are drivers required to complete a trip inspection report?
- Why do the hours of service regulations exist?
- Why is it risky to drive faster than the traffic flow?
- Why should you do a shoulder check when making a right turn?
- Why should you never run your vehicle's engine in a closed garage?
- You are pulling a trailer equipped with air brakes. How can you tell if you have cross-connected the supply line and the service line?
- You may be fined as much as _______ for driving a vehicle whose brakes are out of adjustment.
- You're driving a vehicle equipped with an automatic front-wheel limiting system (ratio valve). If you brake hard during an emergency stop, the air pressure delivered to the front brakes will be approximately _____ of the air pressure to the rear brakes.
- At a railway crossing that has a stop sign, you must stop _________ from the nearest rail.
- A Class C driver's licence allows you to drive which of the following?
- How is a traffic circle different from a roundabout?
- In the daytime, if your vehicle is carrying a load that extends at least _______ beyond the rear of your vehicle, you must attach a red flag to the end of the load.