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BC Class 3 Commercial Licence Practice Test 2 2024

5 out of 5 • 1 votes.
Based on 2024 BC commercial driver's license manual Instant feedback
Preparing to drive large trucks with more than 2 axles in BC? You've come to the right place. This practice test will prepare you for the official BC Class 3 knowledge exam. With Class 3 licence in hand, you'll be able to drive straight-body trucks, heavy equipment trucks like mixer or dump trucks, tow trucks of any weight, and mobile truck cranes. This practice test will quiz you on the multiple-choice questions from the official manual.
Ensuring the accuracy and quality of our practice tests is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

Perfect for:

  • First-time BC commercial license applicants
  • Existing commercial license holders adding endorsements
  • BC commercial license renewal applicants

BC Commercial Driving Handbook

View the most recent (2024) official BC Commercial Driving Handbook.

Read online or download

List of questions (classic view)

  1. How are flares, fusees, and reflectors used?
  2. According to the British Columbia Driving Commercial Vehicles Manual, what is horsepower?
  3. How can you tell how much air pressure is in the service reservoirs?
  4. How can you downgrade from a commercial licence to a non-commercial licence?
  5. When adjusting a manual slack adjuster, how can you tell whether you are turning the adjusting bolt in the correct direction?
  6. When using the applied stroke method to check pushrod stroke, how much pressure should you apply to the service brakes?
  7. How often should you inspect your vehicle?
  8. If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo securement system?
  9. Idling for longer than five minutes can
  10. If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
  11. If a load is supported on rollers, how many of the rollers must be locked?
  12. 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?
  13. If you are carrying a six-metre load weighing 8,000 kg, and each tiedown has a safe working load limit of 3,000 kg, how many tiedowns should you use?
  14. If you are convicted of causing a crash while you were driving impaired by alcohol or drugs, you may face which of the following consequences?
  15. If you are required to keep a logbook, what must you have in your possession?
  16. You are sharing a vehicle with another driver during a trip. The two of you disagree about which defects should be reported. What should you do?
  17. If you are unable to keep up with traffic on a steep grade, what should you do?
  18. Why is it risky to drive faster than the traffic flow?
  19. You're driving a vehicle equipped with an automatic front-wheel limiting system (ratio valve). If you brake hard during an emergency stop, the air pressure delivered to the front brakes will be approximately _____ of the air pressure to the rear brakes.
  20. During your brake tests, you find that the brakes are not operating safely. What should you do?
  21. Reducing a tire’s air pressure when it is hot
  22. If you want to tow a trailer that weighs more than 4,600 kg, and neither the trailer nor your towing vehicle has air brakes, which of the following will you need?
  23. If your cable tiedowns are not marked with their safe working load limits, what should you do?
  24. If your trailer starts to swerve and whip, what should you do?
  25. If your vehicle becomes disabled, what should you do?
  26. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
  27. Partway through your trip, you must couple to another trailer. What should you do?
  28. Which of the following can impair your driving?
  29. How should you upshift a gasoline-powered vehicle that is not equipped with a governor?
  30. You're driving a large truck. Under ideal driving conditions, you should maintain a following distance of at least ________ behind the vehicle ahead.
  31. Under ideal driving conditions, passenger cars and light trucks should maintain a following distance of at least ________ behind the vehicle ahead.
  32. To drive defensively, you should
  33. How can you keep livestock bunched together during their transportation?
  34. Industrial roads do NOT include which of the following?
  35. Which of the following statements about intermodal cargo containers are true?
  36. Why is it important for you to know the dimensions of your vehicle?
  37. A large truck travelling at high speeds creates air turbulence in which of the following areas?
  38. Load binders are used for what purpose?
  39. Loads must not extend more than _________ beyond the front bumper of the vehicle.
  40. Loads on a straight truck must not extend more than ________ beyond the turn centre.