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New Brunswick Class 4 Licence Test 2

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 NB 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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NB commercial driver's licence
5 out of 5,
1 votes
What you need to know
Advance your readiness for the New Brunswick Class 4 Licence with our comprehensive practice test, current for July 2024. Featuring 50 diverse questions, it's designed to navigate you through the specifics of driving a taxicab, ambulance, or a bus with a capacity under 25. At 18 years with a Class 5 licence, you're set to take on the new challenges. Our test is aligned with the medical and vision standards required, serving as a vital step in your vehicle-for-hire licensing process.
What to expect on the official exam



correct answers to pass


passing score

List of questions (classic view)
  1. What is this sign telling you?
  2. What is this sign telling you?
  3. While you're driving a school bus, it breaks down on the road. What should you do?
  4. The minimum following distance for a taxi or ride-hailing (e.g., Uber) vehicle is
  5. Which of the following licence classes does not allow you to drive an ambulance with passengers?
  6. What does this sign mean?
  7. What does this sign mean?
  8. What does this sign mean?
  9. Making eye contact with cyclists around your vehicle
  10. Where are a large commercial vehicle's blind spots?
  11. What does this sign mean?
  12. How far back should you stay when following an emergency vehicle with flashing lights and siren on?
  13. What should you do before making a left turn?
  14. What does this sign mean?
  15. What does this sign mean?
  16. Why should you do a shoulder check when making a right turn?
  17. You're driving a taxi, ambulance, or ride-hailing vehicle. What should you do if it starts to skid?
  18. When you conduct a pre-trip inspection of your vehicle, all of the following should be considered major defects EXCEPT
  19. Before you make a left turn in a large school bus, you should do which of the following?
  20. When driving a school bus, you must NOT do which of the following?
  21. What does this sign mean?
  22. What does this sign mean?
  23. What does this sign mean?
  24. This sign indicates that you may park for one hour
  25. What does this sign mean?
  26. What does this sign mean?
  27. What should you do when driving at night?
  28. If you need to keep a daily log, what else do you need to keep with you?
  29. Which of these vehicles can you drive with a Class 4 licence?
  30. Before you may turn left at an intersection, you must yield to
  31. Besides regular brake maintenance, who is responsible for ensuring that the brakes of a vehicle are working properly before the vehicle is driven?
  32. 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?
  33. Compounding the air brakes can
  34. Different-sized tires can
  35. Double-clutching is
  36. During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
  37. During freezing conditions, you should exercise extreme caution when driving through which of the following?
  38. During your brake tests, you find that the brakes are not operating safely. What should you do?
  39. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
  40. For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
  41. For optimal safety, your head restraint should be positioned so that its centre is level with
  42. Funeral processions have right-of-way over you…?
  43. Generally the safest drivers are those who
  44. How can you downgrade from a commercial licence to a non-commercial licence?
  45. How can you ensure smooth braking of a large commercial vehicle?
  46. How can you tell how much air pressure is in the service reservoirs?
  47. How should you drive through a large amount of water on the roadway?
  48. How should you handle driving around a curve?
  49. Idling for longer than five minutes can
  50. If a bus becomes disabled on a roadway at night, flares or reflectors must be placed approximately _________ in front of and behind the vehicle.