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2024 ON Commercial General Knowledge: Test 7

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 ON commercial driver's licence manual
  • Updated for June 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

About this test

Driving a truck in Ontario requires specific skills and knowledge. Our 51-question practice test is designed to prepare you for the ON commercial driver's licence exam. Updated for 2024 and based on the ON commercial driver's guide, each question comes with instant feedback to improve your understanding. You must score at least 80% on the official test, and this practice version aims to help you achieve that. Ideal for first-time applicants, those renewing their licence, and drivers seeking additional endorsements. Good luck and drive safely!

More FREE ON Commercial Driving 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 (you are here)
  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
  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. Can Schedule 1 be used as a guide and reference during the daily inspection test?
  2. Can the police stop any driver to conduct a drug test?
  3. What aspect is examined during the backing skills test?
  4. Which of the following is not part of the Class A or D road test?
  5. What happens to commercial-class licence holders who fail to submit a satisfactory medical report periodically for their commercial licence?
  6. What is the purpose of the daily inspection test during the road test?
  7. How often are drivers under the age of 46 required to submit a medical report?
  8. What does a broken yellow line indicate on the road?
  9. Why are the exterior and interior portions of the daily inspection test administered using a random selection of testing items from schedule 1?
  10. At what age does a driver with a class D licence have to pass a vision and knowledge test every five years to renew their licence?
  11. If police suspect that your driving has been impaired by drugs, they can require you to provide which of the following samples?
  12. What is not part of the Class A or D road test requirements?
  13. What happens if a commercial driver has detected alcohol or a drug in their system?
  14. Which of these is illegal concerning your driver's licence?
  15. What should you do when you approach a flashing yellow light?
  16. What happens to your record after receiving a traffic violation in Ontario? Do you receive or lose demerit points?
  17. How frequently are Drivers aged 46 to 64 required to submit a medical report?
  18. What action should you take in the event of an electrical power loss when traffic lights at intersections are not working?
  19. If you refuse to provide a breath sample or to perform the physical co-ordination tests, what consequence will you face?
  20. What is the colour of the traffic light for oncoming traffic when you have a flashing green light or a left-pointing green arrow and a green light?
  21. Once they reach 80 years old, how often must a driver with a class D licence submit a medical report?
  22. What is a traffic beacon?
  23. What item is not assessed during the daily inspection test?
  24. When there is damage or breakage in the attachment for a mirror or other glass items, what is this classified as?
  25. During the driver's test, how many times will you be expected to perform a backing maneuver?
  26. You find air is coming out of the service line during a service brake application with the trailer supply valve closed. What type of defect is this?
  27. In the case of a Class D vehicle, a major defect is identified when the air pressure drops more than what prescribed limit in a single minute?
  28. Which of the following actions does NOT help you conserve fuel and improve fuel economy?
  29. When inspecting hydraulic brakes, you should check all of the following EXCEPT
  30. How would the absence of a fuel cap be reported?
  31. In the inspection of the frame and cargo body, which of these is considered a minor defect?
  32. When inspecting the fuel system, you do not have to check
  33. Which statement is incorrect? It is considered a minor defect when any suspension fastener is...
  34. When air pressure takes longer than two minutes to build up to the prescribed psi range, this is considered what type of defect?
  35. Which of these is not on the inspection checklist when examining windshield wipers and washers?
  36. When a wiper blade is damaged, missing or is unable to clear the driver's view on the windshield, how is this issue classified during inspection?
  37. For a Class A vehicle, the air pressure's drop in one minute exceeding a certain limit is classified as which kind of defect?
  38. In operating new diesel engines, approximately at what rpm range should you execute downshifts and upshifts?
  39. What type of violation or defect does it represent when the pushrod stroke of any brake extends beyond its limit?
  40. During a vehicle inspection, are you supposed to listen for an audible air leak?
  41. When the vehicle's low-air warning either fails to activate or is triggered before air pressure drops below 55 psi, what type of defect does this constitute?
  42. If visual evidence indicates a possible future failure of a wheel, hub or bearing, this situation is classified as what during inspections?
  43. What could be the potential consequence if a wheel seal is leaking?
  44. Which of the following is NOT considered a benefit of progressive shifting?
  45. If a vehicle's seat belt or tether belt is not secure, missing or malfunctioning, how is this classified during inspections?
  46. While examining the hydraulic brake system, how would you classify the brake fluid level being below the manufacturer's recommended minimum level?
  47. Which of the following statements is false? It is a major defect when any part of the leaf spring or any suspension part is...
  48. How long should you allow your vehicle to warm up before you start driving if the temperature is below 0 degrees Celsius?
  49. What must you demonstrate during the uncoupling and coupling portion of the driver's test?
  50. At what level should the air pressure be to measure the applied pushrod stroke?
  51. The presence of polished or shiny areas at the flanges or clamps of spoke wheels indicates that