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  • Based on 2025 ON commercial driver's licence manual
  • Updated for January 2025
Advance your professional driving capabilities with Ontario Class F Practice Test 2, up-to-date for January 2025. This test includes 50 targeted questions designed to test your knowledge on the operation and safety of ambulances and buses. Perfect for those with a class G licence aiming to expand their career options, our practice test guides you through the necessary preparation for the MTO's comprehensive examination process. Equip yourself with the know-how to pass both the knowledge and road tests with flying colors.
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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. While you're driving a school bus, it breaks down on the road. What should you do?
  2. Which of the following licence classes does not allow you to drive an ambulance with passengers?
  3. When driving a school bus, you must NOT do which of the following?
  4. Which of these vehicles can you drive with a Class F licence?
  5. A broken centre line on a roadway means that you may
  6. A controlled railway crossing may have
  7. A light-rail transit (LRT) train may take up to ________ to stop in an emergency.
  8. A Slow-Moving Vehicle sign should be placed on any vehicle that travels no faster than
  9. A tire that is overinflated or underinflated can
  10. A tractor-trailer travelling at high speeds creates air turbulence in which of the following areas?
  11. A vehicle that is twice the weight of a car and is travelling at twice the speed of that car requires how much braking power to stop in the same distance?
  12. A white diamond marking in your lane indicates that
  13. A white X pavement marking in your lane means that
  14. Which dashboard gauge can help you decide when to upshift?
  15. Airbags are
  16. An octagonal (eight-sided) red sign is
  17. An oncoming vehicle at night has not dimmed its high-beam headlights. What should you do?
  18. Any defect or deficiency that you find on your bus must be
  19. At a railroad crossing, flashing red lights and ringing bells mean that
  20. At a stop sign, you must
  21. At an intersection, the traffic light is red, but a police officer motions you to go through. What should you do?
  22. At what speed should you back up your vehicle?
  23. At which of the following engine speeds should you drive your vehicle?
  24. Before you drive your vehicle, you should
  25. Before you drive, you should
  26. Before you enter a curve, what gear should you select?
  27. Before you may turn left at an intersection, you must yield to
  28. Besides regular brake maintenance, who is responsible for ensuring that the brakes of a vehicle are working properly before the vehicle is driven?
  29. Cars A and B have arrived at this intersection at about the same time. Car A wants to turn left and Car B wants to go straight. Who has the right-of-way?
  30. Compounding the air brakes can
  31. Different-sized tires can
  32. Double-clutching is
  33. During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
  34. During freezing conditions, you should exercise extreme caution when driving through which of the following?
  35. During your brake tests, you find that the brakes are not operating safely. What should you do?
  36. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
  37. For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
  38. For optimal safety, your head restraint should be positioned so that its centre is level with
  39. Funeral processions have right-of-way over you…?
  40. Generally the safest drivers are those who
  41. How can you downgrade from a commercial licence to a non-commercial licence?
  42. How can you ensure smooth braking of a large commercial vehicle?
  43. How can you tell how much air pressure is in the service reservoirs?
  44. How should you drive through a large amount of water on the roadway?
  45. How should you handle driving around a curve?
  46. Idling for longer than five minutes can
  47. If a bus becomes disabled on a roadway at night, flares or reflectors must be placed approximately _________ in front of and behind the vehicle.
  48. If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
  49. If a fire starts in your vehicle, you should do which of the following?
  50. If a front tire blows out, what should you do first?
  51. If another driver wants to pass your vehicle, what should you do?
  52. If you are going to park for longer than ________, you should turn off your engine.
  53. If you are parking a bus on a downgrade, you should
  54. If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
  55. If you are parking a vehicle on a downgrade, you should