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  • Based on 2025 ON commercial driver's licence manual
  • Updated for January 2025
Continue your path to obtaining a Class C commercial driver’s license in Ontario with our Commercial Class C Test 2. This practice test is expertly designed as the next step in your preparation, offering a deeper dive into the complexities of operating Class C vehicles. Aligned with the 2025 Ontario commercial driver’s manual, Test 2 introduces more challenging questions, further expanding your knowledge and understanding of crucial topics such as advanced safety practices, emergency responses, and vehicle maintenance specific to Class C vehicles. The test's structure is reflective of the actual exam, providing a realistic practice experience. Each question is crafted to test your skills and is followed by detailed explanations, reinforcing your learning and aiding in the retention of important concepts. Perfect for those looking to solidify their understanding, Test 2 ensures you are thoroughly prepared and confident for your Class C license exam.
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  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy
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.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
What to expect on the official exam
50

questions

40

correct answers to pass

80

passing score

List of questions (classic view)
  1. A school bus driver improvement course certificate is valid for
  2. Where should the guide ideally position himself when you are backing your vehicle?
  3. Before starting to back your vehicle, you should do which of the following?
  4. When making a left turn, which method should you use to avoid striking a vehicle or a sign post on an island?
  5. What is the reason for using a guide during backing?
  6. How can you avoid the risk of the rear wheels dropping off the pavement when going around a right curve?
  7. What is the minimum age needed to drive a bus with a Class B or E Licence?
  8. When inspecting hydraulic brakes with power assist, you should do all of the following EXCEPT
  9. Why should you avoid using brakes excessively on long downward slopes?
  10. What is the maximum number of demerit points a driver can accumulate to apply for a Class B or E Licence?
  11. How can you prevent the rear wheels from moving into the oncoming traffic lane while taking a left curve?
  12. Why is it advisable to exit your vehicle before starting to back up?
  13. Which of these is not checked during wheel inspections?
  14. What licence class is required to drive a school-purposes bus equipped with seating for up to 24 passengers?
  15. 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?
  16. After you obtain a medical-examination report form, whom do you take it to?
  17. What activity potentially eradicates the need for backing a vehicle?
  18. 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?
  19. What inspection schedule is required for yellow school buses or school-purpose buses?
  20. What factor influences the amount of off-track a vehicle experiences?
  21. When performing a right turn onto a narrow street, what is the safest method to use?
  22. Why does the rear of a school bus swing outside its normal path during turning maneuvers?
  23. Is crossing over a median strip legal for vehicles?
  24. Is it mandatory to successfully complete a school-bus driver improvement course for acquiring a Class B or E licence?
  25. During a right turn, why should you utilize more space from the road you are entering than departing?
  26. What is the function of fanning air brakes?
  27. Which is the simplest and safest backing maneuver?
  28. Running the rear wheels of a bus over curbs and sidewalks can potentially damage all of the following EXCEPT
  29. A driver whose licence has been suspended within the past _______ will be ineligible for a Class B or E licence.
  30. What is the main strategy to manage speed on steep downgrades?
  31. When overtaking a bicycle on the road, how much distance should a motor vehicle aim to leave between them, where possible?
  32. Which of the following does not qualify as a brake retarder?
  33. What does it mean when you are 'overdriving your headlights'?
  34. 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?
  35. According to daily regulations for school bus drivers, after how many hours on duty is a driver not allowed to continue driving?
  36. In a roundabout, who has the right of way?
  37. Who normally determines a cycle for the driver to follow?
  38. Under full emergency braking, how far could a train take to come to a halt?
  39. At a railway crossing, when a train is approaching, what is the minimum distance you need to stop from the nearest rail?
  40. If you experience brake failure while driving on a flat road, what should you do?
  41. Within what distance should you use your low beam headlights when approaching an oncoming vehicle?
  42. How is the activation of a retarder typically controlled...
  43. If the low air-pressure warning device activates while you're driving, what action should you take?
  44. 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?
  45. When following another vehicle, how far before it should you switch to your low-beam headlights?
  46. Why is it not advisable to unnecessarily honk your horn when overtaking a cyclist?
  47. 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?
  48. How many hours off-duty must a school bus driver have in a day according to daily regulations?
  49. What information is not contained within the daily log for a driver?
  50. The brake retarder only applies brake force to which part of the vehicle?
  51. At an all-way stop, if two vehicles stop simultaneously, which vehicle should be given the right of way?
  52. What does a yield sign indicate for drivers?
  53. Why should you switch to low beams when encountering a hilltop or curve on a country road?
  54. Within seven consecutive days, how many hours can a driver be on duty before they are not allowed to drive?
  55. What does a red and orange sign displayed by farm machinery on the road indicate?
  56. What is a factor that may cause a vehicle to skid?
  57. What should you do when facing oncoming vehicles with bright headlights at night?
  58. What is a potential risk of driving in puddles?
  59. When temperatures drop below freezing, which of these is least likely to freeze first?