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Based on 2025 ON commercial driver's licence manual
Updated for May 2025
Ontario Class F Licence Test 6
Refine your driving strategy with Ontario Class F Practice Test 6, freshly prepared for May 2025. This test presents 50 pivotal questions, sharpening your awareness for the safe operation of ambulances and buses. As an 18+ class G licence holder, you'll be tested on MTO's criteria for medical and vision standards, as well as your knowledge of Ontario's driving regulations. This test is a crucial tool in your arsenal, equipping you with the knowledge to excel in your driving test and become a certified professional driver.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
About this test
5 out of 5 • 1 votes
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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List of questions (classic view)
When adjusting a manual slack adjuster, how can you tell whether you are turning the adjusting bolt in the correct direction?
When are water-cooled brakes used?
When is it especially important to look out for wild animals on the road?
When must you yield the right-of-way to an emergency vehicle that is sounding a siren?
When parking a vehicle with a manual transmission facing uphill, you should always leave the parking brake on and the transmission in
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 the bus driver perform a safety check of the bus?
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 travelling slower than the other traffic, you should
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 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 vehicle's blind spots?
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 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?
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 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 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 types of commercial vehicles are required to carry fire extinguishers?
While you drive, you should check your rear-view mirrors
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 is it risky to drive faster than the traffic flow?
Which real forces act on your vehicle as you drive around a curve?
Why should you never run your vehicle's engine in a closed garage?
Why should you use extra caution at railway crossings in rural areas?
You are approached from behind by an emergency vehicle sounding its siren on a one-way street. What should you do?
You are approaching an intersection with a solid yellow light. You should
You are approaching an intersection, but traffic is blocked on the other side. You should
You are entering a street from a driveway. Which of these is the correct procedure to follow?
You are parking your vehicle facing uphill on a street without a curb. In which direction should you be turning your front wheels?
You are sharing a vehicle with another driver during a trip. The two of you disagree about which defects should be reported. What should you do?
When adjusting a manual slack adjuster, how can you tell whether you are turning the adjusting bolt in the correct direction?
When are water-cooled brakes used?
When is it especially important to look out for wild animals on the road?
When must you yield the right-of-way to an emergency vehicle that is sounding a siren?
When parking a vehicle with a manual transmission facing uphill, you should always leave the parking brake on and the transmission in
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 the bus driver perform a safety check of the bus?
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 travelling slower than the other traffic, you should
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 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 vehicle's blind spots?
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 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?
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 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 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 types of commercial vehicles are required to carry fire extinguishers?
While you drive, you should check your rear-view mirrors
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 is it risky to drive faster than the traffic flow?
Which real forces act on your vehicle as you drive around a curve?
Why should you never run your vehicle's engine in a closed garage?
Why should you use extra caution at railway crossings in rural areas?
You are approached from behind by an emergency vehicle sounding its siren on a one-way street. What should you do?
You are approaching an intersection with a solid yellow light. You should
You are approaching an intersection, but traffic is blocked on the other side. You should
You are entering a street from a driveway. Which of these is the correct procedure to follow?
You are parking your vehicle facing uphill on a street without a curb. In which direction should you be turning your front wheels?
You are sharing a vehicle with another driver during a trip. The two of you disagree about which defects should be reported. What should you do?
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 ZakhareuskiUpdated over a week ago
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