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Based on 2025 ON commercial driver's licence manual
Updated for May 2025
Ontario Class F Licence Test 4
Ontario Class F Practice Test 4, created for May 2025, features 50 strategic questions that tackle the complexities of driving buses and ambulances. Geared towards those holding a class G licence, our test focuses on the MTO's standards for medical fitness, passenger safety, and vehicle maintenance. Preparing with our test will sharpen your skills for the vision and knowledge assessments, and set you on the right path for the practical driving test in a class-appropriate vehicle.
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.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
List of questions (classic view)
The trailer hand valve should not be used to hold an unattended trailer because
To recover from a skid, you should
To reduce whiplash injuries, the space between your head and the head restraint should be
To stop quickly in an emergency, what should you do if your vehicle has antilock brakes (ABS)?
To travel down a steep hill, what should you do?
To turn right in a vehicle with a lot of off-tracking, you may have to
To turn right safely, what should you do?
Travelling as a passenger to a place where you will start working as a driver counts as on-duty time if
Travelling as a passenger to a place where you will start working as a driver counts as on-duty time if
Turning right from one two-way road into another, from where should you begin your turn?
Two cars are turning left onto a divided highway. Which cars are turning correctly?
Two cars arrive at a four-way stop at about the same time. Which car should go first?
Uncontrolled intersections
Under hours of service regulations, a sleeper berth can be
Under hours of service regulations, which of the following are NOT considered a sleeper berth?
Underinflated tires and low tire pressures can cause
Unless your vehicle has antilock brakes (ABS), using light brake pressure on an icy road will
Use extra caution when travelling through an intersection with
What are some common causes of bus passenger injuries?
What are some common causes of passenger injuries?
What are the articulation points of a vehicle?
What are some uses of governors?
What are the consequences if you exceed your maximum on-duty hours and a peace officer stops you?
What are the main components of a simple, basic air brake system?
What are the recommended positions for your hands on the steering wheel?
What colour are the flashing lights used by an ambulance driver to warn others to yield?
What do these roadway markings mean?
What does a downward-pointing green arrow above your lane mean?
The trailer hand valve should not be used to hold an unattended trailer because
To recover from a skid, you should
To reduce whiplash injuries, the space between your head and the head restraint should be
To stop quickly in an emergency, what should you do if your vehicle has antilock brakes (ABS)?
To travel down a steep hill, what should you do?
To turn right in a vehicle with a lot of off-tracking, you may have to
To turn right safely, what should you do?
Travelling as a passenger to a place where you will start working as a driver counts as on-duty time if
Travelling as a passenger to a place where you will start working as a driver counts as on-duty time if
Turning right from one two-way road into another, from where should you begin your turn?
Two cars are turning left onto a divided highway. Which cars are turning correctly?
Two cars arrive at a four-way stop at about the same time. Which car should go first?
Uncontrolled intersections
Under hours of service regulations, a sleeper berth can be
Under hours of service regulations, which of the following are NOT considered a sleeper berth?
Underinflated tires and low tire pressures can cause
Unless your vehicle has antilock brakes (ABS), using light brake pressure on an icy road will
Use extra caution when travelling through an intersection with
What are some common causes of bus passenger injuries?
What are some common causes of passenger injuries?
What are the articulation points of a vehicle?
What are some uses of governors?
What are the consequences if you exceed your maximum on-duty hours and a peace officer stops you?
What are the main components of a simple, basic air brake system?
What are the recommended positions for your hands on the steering wheel?
What colour are the flashing lights used by an ambulance driver to warn others to yield?
What do these roadway markings mean?
What does a downward-pointing green arrow above your lane mean?
What does this image indicate?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this road sign mean?
What does this sign mean?
What does this sign mean?
What does this sign mean?
What does this sign mean?
What does this sign mean?
What is important about seat belts?
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
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
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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.
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