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SK General Knowledge Test 3 2024

4.5 out of 5 • 2 votes.
Based on 2024 SK commercial driver's license manual Instant feedback

Driving a commercial vehicle is very different from driving a car. Trucks have different controls and different blind spots. As a commercial vehicle operator, you must travel long distances and face a variety of traffic and weather conditions. You must also be prepared to deal with emergencies such as fires and collisions. Before you can get your commercial driver’s licence in Saskatchewan, you must study and practice to learn to drive carefully and safely. To get your commercial driver’s licence, you must pass both a written and a practical test. The written test (also known as the truck driver’s licence knowledge exam) has several multiple-choice questions. If you are looking for a practice test before taking the commercial driver’s licence knowledge test, this is the place. This practice test will help you prepare. Please note that this is a sample test and does not replace the official truck driver’s knowledge exam. There are 50 questions with hints and explanations of the correct answer. All questions are based on the official 2024 SK commercial driver’s manual. If you have any questions or comments, please contact us. Good luck!

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 SK commercial license applicants
  • Existing commercial license holders adding endorsements
  • SK commercial license renewal applicants

SK Commercial Driving Handbook

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

Read online or download

List of questions (classic view)

  1. If your vehicle has convex side mirrors, a motorcycle that you see in one of these mirrors will appear
  2. At night, if you're experiencing glare from the bright headlights of an oncoming vehicle, what should you do?
  3. If you feel threatened by another driver, you should not
  4. If you fail to remain at the scene of an accident in which you were involved, ____ demerit points will be added to your driver's record.
  5. If you're driving in blowing snow, your headlights should be
  6. For commercial drivers, the legal limit of blood alcohol concentration while they drive is
  7. If you hit a deer or moose while you're driving, what should you do?
  8. You must report a collision to the police that involves
  9. On an undivided roadway in Ontario, you're approaching a stopped school bus with alternating flashing red lights and an extended swing‑out stop sign. You must stop if
  10. A professional driver is expected to demonstrate
  11. An A:B:C type fire extinguisher is designed to work on which types of fires?
  12. A class D fire extinguisher is designed to work on which types of fires?
  13. How often must you inspect your vehicle?
  14. In Ontario, you're approaching a school bus from behind that has stopped for passengers. You must stop at least _______ from the school bus.
  15. When you're approaching a steep downhill grade, you should
  16. When are you required to stop for a stopped school bus with red lights flashing?
  17. If your vehicle starts to skid, you should
  18. If your vehicle gets stuck on a railway track, what should you do?
  19. If you overbrake your vehicle, it may
  20. How can you improve your vehicle's fuel economy while you're behind the wheel?
  21. The differential lock must not be used when
  22. Under normal conditions, how should you apply the brakes to stop your vehicle?
  23. When can a police officer inspect a commercial motor vehicle?
  24. So-called slow-moving vehicles travel at speeds no greater than
  25. St. John Ambulance recommends that every commercial vehicle carry
  26. If you're required to use an ignition interlock device but you're found to be driving without one, your vehicle will be impounded for at least
  27. What happens when a wheel locks up during a braking application according to the Anti-lock braking system (ABS)?
  28. If your vehicle is disabled in a traffic lane on a two-way road, you should place flares or reflective triangles in all of these locations EXCEPT
  29. How far should you park from an intersection when taking a break, ideally?
  30. What could potentially occur if brakes are applied while navigating a curve?
  31. Which of the following is a false rule in terms of reducing collisions when backing up?
  32. What is another term used for engine retarders?
  33. If a vehicle's weight and speed are doubled, what should be the increase in the braking force?
  34. What should be the increase in the braking force if the vehicle's speed is doubled?
  35. Trailers weighing over what amount must be fitted with service brakes?
  36. What should be done if you find your speed unsafe while coming down a downgrade?
  37. On an icy surface, which is more effective: a slow revolving wheel or a locked wheel?
  38. What can you do to assist another driver who is overtaking your vehicle?
  39. What happens if excessive hard braking heats up the brake components beyond their capacity?
  40. Which of the following is not a factor that contributes to smooth braking application?
  41. When can you drive off the roadway onto the shoulder to overtake another vehicle?
  42. What is the function of the engine governor present in large vehicles like semi-trailers?
  43. For tractor-trailers, what is the major limitation of outside rear-view mirrors in terms of visibility?
  44. Before backing your truck into a loading dock, you should do all of these EXCEPT
  45. In a combination vehicle, what controls the air service brakes in both the power unit and the semi-trailer?
  46. If you have to descend a steep downgrade, which type of gear should be chosen?
  47. What advantage is provided by engine retarders?
  48. If a vehicle's weight is doubled, what should be the increase in the braking force?
  49. What is the effect of excessive brake drum heating?
  50. What influence does centrifugal force have on a vehicle entering a curve?
  51. How does 'covering the brake' benefit the driver?
  52. Which of the following is an incorrect step to take before you back a vehicle without a guide?
  53. What term is often used to refer to simultaneous application of tractor and trailer brakes?
  54. Which of the following is a false statement with regard to negotiating curves safely? You should...
  55. Why is it advisable to apply a slight brake when driving through water?
  56. If a vehicle enters a curve at too high a speed, it may skid or