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ON Class C Commercial Licence Practice Test 6

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 ON commercial driver's licence manual
  • Updated for July 2024
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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ON commercial driver's licence
5 out of 5,
1 votes
What you need to know
Prepare for success with our Ontario Commercial Class C Test 6. This test, aligning with the 2024 Ontario commercial driver’s manual, introduces you to more challenging scenarios and questions. Test 6 includes topics such as intricate vehicle inspection procedures, load securing techniques, and advanced navigation skills for Class C drivers. It's an essential tool for a comprehensive understanding and application of Class C driving knowledge.
What to expect on the official exam
49

questions

39

correct answers to pass

80

passing score

More resources
  1. General Knowledge 1
  2. General Knowledge 2
  3. General Knowledge 3
  4. General Knowledge 4
  5. General Knowledge 5
  6. General Knowledge 6
  7. General Knowledge 7
  8. Road Signs
  9. Road Signs 2
  10. General Knowledge Marathon
  11. General Knowledge Exam Simulator
  12. Class A Licence Test 1
  13. Class A Licence Test 2
  14. Class A Licence Test 3
  15. Class A Licence Marathon
  16. Class A Licence Exam Simulator
  17. Class B Licence Test 1
  18. Class B Licence Test 2
  19. Class B Licence Test 3
  20. Class B Licence Test 4
  21. Class B Licence Test 5
  22. Class B Licence Test 6
  23. Class B Licence Test 7
  24. Class B Licence Test 8
  25. Class B Licence Test 9
  26. Class B Licence Test 10
  27. Class B Licence Test 11
  28. Class B Licence Marathon
  29. Class B Licence Exam Simulator
  30. Class C Licence Test 1
  31. Class C Licence Test 2
  32. Class C Licence Test 3
  33. Class C Licence Test 4
  34. Class C Licence Test 5
  35. Class C Licence Test 6 (you are here)
  36. Class C Licence Test 7
  37. Class C Licence Test 8
  38. Class C Licence Test 9
  39. Class C Licence Test 10
  40. Class C Licence Test 11
  41. Class C Licence Marathon
  42. Class C Licence Exam Simulator
  43. Class D Licence Test 1
  44. Class D Licence Test 2
  45. Class D Licence Test 3
  46. Class D Licence Marathon
  47. Class D Licence Exam Simulator
  48. Class F Licence Test 1
  49. Class F Licence Test 2
  50. Class F Licence Test 3
  51. Class F Licence Test 4
  52. Class F Licence Test 5
  53. Class F Licence Test 6
  54. Class F Licence Test 7
  55. Class F Licence Test 8
  56. Class F Licence Marathon
  57. Class F Licence Exam Simulator
  58. Air Brake Test 1
  59. Air Brake Test 2
  60. Air Brake Test 3
  61. Air Brake Test 4
  62. Air Brake Test 5
  63. Air Brake Test 6
  64. Air Brake Test 7
  65. Air Brake Test 8
  66. Air Brake Test 9
  67. Air Brake Test 10
  68. Air Brake Test 11
  69. Air Brake Test 12
  70. Air Brake Test 13
  71. Air Brake Test 14
  72. Air Brake Marathon
  73. Air Brake Exam Simulator
  74. AZ Licence Exam Simulator
List of questions (classic view)
  1. 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?
  2. Compounding the air brakes can
  3. Different-sized tires can
  4. Double-clutching is
  5. During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
  6. During freezing conditions, you should exercise extreme caution when driving through which of the following?
  7. During your brake tests, you find that the brakes are not operating safely. What should you do?
  8. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
  9. Every written trip inspection report must include which of the following?
  10. For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
  11. For optimal safety, your head restraint should be positioned so that its centre is level with
  12. Funeral processions have right-of-way over you…?
  13. How can you downgrade from a commercial licence to a non-commercial licence?
  14. How can you ensure smooth braking of a large commercial vehicle?
  15. How can you tell how much air pressure is in the service reservoirs?
  16. How do you ease your vehicle into a smooth stop?
  17. How often should you look at your mirrors?
  18. How should you drive through a large amount of water on the roadway?
  19. How should you handle driving around a curve?
  20. Idling for longer than five minutes can
  21. If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
  22. If a fire starts in your vehicle, you should do which of the following?
  23. If a peace officer asks for your logbook and supporting documents, what documents should you provide?
  24. If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
  25. If another driver wants to pass your vehicle, what should you do?
  26. If someone is tailgating you, what should you do?
  27. If you are going to park for longer than ________, you should turn off your engine.
  28. If you are parking a bus on a downgrade, you should
  29. If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
  30. If you are parking a vehicle on a downgrade, you should
  31. If you are parking your vehicle on an upgrade without a curb, you should
  32. If you are required to keep a logbook, what must you have in your possession?
  33. If you are unable to keep up with traffic on a steep grade, what should you do?
  34. If you feel tired while driving,
  35. If you find a defect or deficiency in your passenger vehicle, what should you do?
  36. If you find a major defect in your vehicle during your pre-trip inspection, when must it be repaired?
  37. If you leave the paved portion of the roadway, which of these should you NOT do to return to the roadway?
  38. If you miss your exit on a highway, you should
  39. If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?
  40. If you must drive more slowly than the traffic flow, you should
  41. If you need to keep a daily log, what else do you need to keep with you?
  42. If you reduce a tire’s air pressure when it is warm,
  43. If you see this sign, it means you are
  44. If you're driving a motor home, you should maintain a following distance of at least ________ behind the vehicle in front of you.
  45. If you're on a 14-day cycle, what is the maximum number of hours you can drive within 14 consecutive days?
  46. If your brakes get wet, what should you do?
  47. If your vehicle breaks down on the freeway, you should
  48. If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo securement system?
  49. If your vehicle starts to hydroplane, what should you do?
  50. If your vehicle starts to pull strongly to the right, it indicates