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Based on 2025 ON commercial driver's licence manual
Updated for May 2025
Ontario Class B (Bus) Commercial Licence Practice Test 2
In the same way that great movies call for a sequel, practice tests containing so much valuable information will leave you wanting more. In the previous practice test, you developed and expanded your knowledge of passenger safety. This Ontario Class B Commercial Licence Practice Test 2 focuses on the road rules and safe driving practices meant to keep passengers safe. Once you meet the multiple requirements to receive your learner’s licence, including passing the Ontario Class B Commercial Licence Knowledge Test, you can begin getting driving experience under the supervision of a licensed Class B driver. While passing the official knowledge test doesn’t require you to solve the mystery of La Salle’s Le Griffon, you still need to base your answers on reliable information.Our Ontario Class B Licence Practice Test 2 assesses your understanding of traffic laws and safe driving practices that consistently distinguish skillful drivers. It includes 50 multiple-choice questions, similar to those on the official knowledge test, to identify the topics you need to study. Based on your performance, you will be able to determine the topics you need to budget more time to absorb before taking the official knowledge test. You will be able to create a study plan that makes the most efficient use of your time. As a result, your knowledge base and confidence will rapidly increase, making it possible for you to pass the official knowledge test on your first try.The Ontario Class B Commercial Licence Practice Test 2 is more effective in teaching you the necessary skills to be a bus driver because it uses an interactive approach to meet your specific needs. You won’t become bored and stuck trying to make sense of topics you don’t completely understand. Instead, you will be able to gain a fresh perspective on these obstacles that expands your knowledge base. If you get a question wrong, the practice test will provide a detailed explanation of the correct answer. These answers are taken directly from the Ontario Ministry of Transportation (MTO) Bus Handbook (https://www.ontario.ca/document/official-ministry-transportation-mto-bus-handbook), the most authoritative source available. If you depend on other on-line resources, such as study guides, for this level of preparation, you’ll find their methods less effective. The official knowledge test requires you to correctly answer 80% of its questions to achieve a passing score. If you want to be confident in your answer, you will be able to rely on the information provided by the practice test to arrive at logical conclusions. Study guides merely teach you to memorize the answers to the questions and will not help you understand how to correct wrong answers. You can trust the practice test to help you develop extraordinary driving skills.You can get a lesson in military history by visiting Fort Henry, and you can find expert instruction for developing superior driving skills at https://tests.ca/ontario/.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
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List of questions (classic view)
What is the reason for using a guide during backing?
How can you avoid the risk of the rear wheels dropping off the pavement when going around a right curve?
What is the minimum age needed to drive a bus with a Class B or E Licence?
When inspecting hydraulic brakes with power assist, you should do all of the following EXCEPT
Why should you avoid using brakes excessively on long downward slopes?
What is the maximum number of demerit points a driver can accumulate to apply for a Class B or E Licence?
How can you prevent the rear wheels from moving into the oncoming traffic lane while taking a left curve?
Why is it advisable to exit your vehicle before starting to back up?
Which of these is not checked during wheel inspections?
What licence class is required to drive a school-purposes bus equipped with seating for up to 24 passengers?
How many convictions or guilty verdicts under the Criminal Code of Canada in the past five years disqualifies you from obtaining a Class B or E licence?
After you obtain a medical-examination report form, whom do you take it to?
What activity potentially eradicates the need for backing a vehicle?
Why is it recommended to release the brakes slightly just before the vehicle comes to a complete stop, then brake again to hold the vehicle while stopped?
What inspection schedule is required for yellow school buses or school-purpose buses?
What factor influences the amount of off-track a vehicle experiences?
When performing a right turn onto a narrow street, what is the safest method to use?
Why does the rear of a school bus swing outside its normal path during turning maneuvers?
Is crossing over a median strip legal for vehicles?
Is it mandatory to successfully complete a school-bus driver improvement course for acquiring a Class B or E licence?
During a right turn, why should you utilize more space from the road you are entering than departing?
What is the function of fanning air brakes?
Which is the simplest and safest backing maneuver?
Running the rear wheels of a bus over curbs and sidewalks can potentially damage all of the following EXCEPT
A driver whose licence has been suspended within the past _______ will be ineligible for a Class B or E licence.
What is the main strategy to manage speed on steep downgrades?
When overtaking a bicycle on the road, how much distance should a motor vehicle aim to leave between them, where possible?
Which of the following does not qualify as a brake retarder?
What does it mean when you are 'overdriving your headlights'?
When a bus, from a bus bay, starts giving left-turn signals, indicating an intention to merge back into traffic, what are you required to do as a driver?
According to daily regulations for school bus drivers, after how many hours on duty is a driver not allowed to continue driving?
In a roundabout, who has the right of way?
Who normally determines a cycle for the driver to follow?
Under full emergency braking, how far could a train take to come to a halt?
At a railway crossing, when a train is approaching, what is the minimum distance you need to stop from the nearest rail?
If you experience brake failure while driving on a flat road, what should you do?
Within what distance should you use your low beam headlights when approaching an oncoming vehicle?
How is the activation of a retarder typically controlled...
If the low air-pressure warning device activates while you're driving, what action should you take?
Is it acceptable for the rear wheels of a bus to ride up on the central apron of a roundabout in order to complete the turn?
When following another vehicle, how far before it should you switch to your low-beam headlights?
Why is it not advisable to unnecessarily honk your horn when overtaking a cyclist?
When driving on a highway at a speed of 60 km/h or higher, a commercial vehicle must maintain at least what distance between other vehicles?
How many hours off-duty must a school bus driver have in a day according to daily regulations?
What information is not contained within the daily log for a driver?
The brake retarder only applies brake force to which part of the vehicle?
Do regulations concerning hours of service apply to school bus drivers?
At an all-way stop, if two vehicles stop simultaneously, which vehicle should be given the right of way?
What does a yield sign indicate for drivers?
Why should you switch to low beams when encountering a hilltop or curve on a country road?
What is the reason for using a guide during backing?
How can you avoid the risk of the rear wheels dropping off the pavement when going around a right curve?
What is the minimum age needed to drive a bus with a Class B or E Licence?
When inspecting hydraulic brakes with power assist, you should do all of the following EXCEPT
Why should you avoid using brakes excessively on long downward slopes?
What is the maximum number of demerit points a driver can accumulate to apply for a Class B or E Licence?
How can you prevent the rear wheels from moving into the oncoming traffic lane while taking a left curve?
Why is it advisable to exit your vehicle before starting to back up?
Which of these is not checked during wheel inspections?
What licence class is required to drive a school-purposes bus equipped with seating for up to 24 passengers?
How many convictions or guilty verdicts under the Criminal Code of Canada in the past five years disqualifies you from obtaining a Class B or E licence?
After you obtain a medical-examination report form, whom do you take it to?
What activity potentially eradicates the need for backing a vehicle?
Why is it recommended to release the brakes slightly just before the vehicle comes to a complete stop, then brake again to hold the vehicle while stopped?
What inspection schedule is required for yellow school buses or school-purpose buses?
What factor influences the amount of off-track a vehicle experiences?
When performing a right turn onto a narrow street, what is the safest method to use?
Why does the rear of a school bus swing outside its normal path during turning maneuvers?
Is crossing over a median strip legal for vehicles?
Is it mandatory to successfully complete a school-bus driver improvement course for acquiring a Class B or E licence?
During a right turn, why should you utilize more space from the road you are entering than departing?
What is the function of fanning air brakes?
Which is the simplest and safest backing maneuver?
Running the rear wheels of a bus over curbs and sidewalks can potentially damage all of the following EXCEPT
A driver whose licence has been suspended within the past _______ will be ineligible for a Class B or E licence.
What is the main strategy to manage speed on steep downgrades?
When overtaking a bicycle on the road, how much distance should a motor vehicle aim to leave between them, where possible?
Which of the following does not qualify as a brake retarder?
What does it mean when you are 'overdriving your headlights'?
When a bus, from a bus bay, starts giving left-turn signals, indicating an intention to merge back into traffic, what are you required to do as a driver?
According to daily regulations for school bus drivers, after how many hours on duty is a driver not allowed to continue driving?
In a roundabout, who has the right of way?
Who normally determines a cycle for the driver to follow?
Under full emergency braking, how far could a train take to come to a halt?
At a railway crossing, when a train is approaching, what is the minimum distance you need to stop from the nearest rail?
If you experience brake failure while driving on a flat road, what should you do?
Within what distance should you use your low beam headlights when approaching an oncoming vehicle?
How is the activation of a retarder typically controlled...
If the low air-pressure warning device activates while you're driving, what action should you take?
Is it acceptable for the rear wheels of a bus to ride up on the central apron of a roundabout in order to complete the turn?
When following another vehicle, how far before it should you switch to your low-beam headlights?
Why is it not advisable to unnecessarily honk your horn when overtaking a cyclist?
When driving on a highway at a speed of 60 km/h or higher, a commercial vehicle must maintain at least what distance between other vehicles?
How many hours off-duty must a school bus driver have in a day according to daily regulations?
What information is not contained within the daily log for a driver?
The brake retarder only applies brake force to which part of the vehicle?
Do regulations concerning hours of service apply to school bus drivers?
At an all-way stop, if two vehicles stop simultaneously, which vehicle should be given the right of way?
What does a yield sign indicate for drivers?
Why should you switch to low beams when encountering a hilltop or curve on a country road?
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