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British Columbia Class 3 Licence Test 6

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 BC 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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BC commercial driver's licence
5 out of 5,
1 votes
What you need to know
Getting ready to drive a heavy truck (a truck with more than two axes) in British Columbia? You'll need a Class 3 commercial driver's licence. The transportation industry in BC is booming, so now is a great time: heavy truck drivers are in high demand. As a Class 3 licenced commercial driver, you can work for a trucking company as an employee, or for yourself as an owner-operator. But in order to drive one of the largest vehicles on the road, you must first learn to drive carefully and safely. So before you can get your Class 3 licence, you must pass both a written and a practical test. The written test (also known as the British Columbia Class 3 truck driver's knowledge exam) has several multiple-choice questions. This 40-question Class 3 practice test is a great way to prepare: all of our questions are based on the official 2024 BC commercial driver's manual. As you answer the questions, we recommend checking the explanations to gain some further insight into the rule behind it. Good luck and drive safely!
What to expect on the official exam



correct answers to pass


passing score

List of questions (classic view)
  1. Who is ultimately responsible for the condition of the brakes on a vehicle?
  2. For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
  3. Why are drivers required to complete a trip inspection report?
  4. Why are hours of service regulations in place?
  5. What is the purpose of checking your vehicle's slack adjusters?
  6. Why must you prevent tiedowns from rubbing against your load?
  7. Compounding the air brakes can
  8. Every written trip inspection report must include which of the following?
  9. You are operating a vehicle whose peak engine torque is at 1,500 rpm and whose peak horsepower is at 2,000 rpm. When employing a standard rpm split to upshift, you should
  10. You can be charged under the Criminal Code of Canada or the British Columbia Motor Vehicle Act if
  11. Why must you know your vehicle’s gross vehicle weight (GVW)?
  12. After you __________, you must take at least eight consecutive hours of off-duty time.
  13. Why should you never run your vehicle's engine in a closed garage?
  14. When driving in British Columbia at night, you must use low-beam headlights whenever you are within ________ of an oncoming vehicle.
  15. Which of the following can increase the length of your danger zone (as defined in the British Columbia Driving Commercial Vehicles Manual)?
  16. According to the British Columbia Driving Commercial Vehicles Manual, what is a danger zone?
  17. At which of the following engine speeds should you drive your vehicle?
  18. In determining how well your air brake system works, which is NOT a significant factor?
  19. Which colour is the trailer supply line?
  20. When is a pre-trip inspection required?
  21. What gauges should you check after starting your vehicle?
  22. Why are there two service tanks in a modern air brake system?
  23. What is the purpose of the National Safety Code?
  24. What does this sign mean?
  25. In Canada, how many classes of dangerous goods are there?
  26. What must you do at a stop sign with a painted stop line?
  27. When brakes become overheated, they also become
  28. What does this sign mean?
  29. Your vehicle is equipped with an air brake system, including a belt-driven air compressor. How do you check for correct belt tension?
  30. What does this sign mean?
  31. Before driving down a grade (hill), you should
  32. What does this sign mean?
  33. Your vehicle has tandem drive axles and is equipped with an inter-axle differential. You should NOT use it if
  34. What does this sign mean?
  35. What is a commercial vehicle's danger zone?
  36. This sign indicates that you may park for one hour
  37. What is the first step of the pre-trip inspection?
  38. In a vehicle equipped with air brakes, the pushrod stroke occurs when compressed air enters the
  39. What is the Gross Vehicle Weight Rating (GVWR)?
  40. Driving a commercial vehicle on the road is