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QC Air Brake Marathon

Based on the 2025 QC CDL manual
Questions: 494
Mistakes allowed: 0
Passing score: 100%
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Driving a commercial vehicle is completely different from driving a car. Drivers must know more about their vehicles, and they need to take extra safety precautions. A commercial driver’s licence is required to drive a commercial vehicle of a certain size and weight in Canada. To obtain a commercial driver’s licence in Quebec, the driver must pass a written knowledge test and a road test. This 494-question Marathon contains all questions from our other QC Air Brake tests. It will cycle through them until you’ve provided a correct answer to each of them. The Air Brake Marathon is based on the 2025 Quebec commercial driver’s manual. You can also use our regular Air Brake practice tests for QC to prepare for your test. When you’re ready, take the Air Brake Exam Simulator.

Based on 2025 QC commercial driver's license manual
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List of questions (classic view)
  1. Every motor vehicle must have a white light illuminating the number plate so it can be read from a distance of at least
  2. You must replace any tire whose tread depth is less than
  3. If a driver in the Graduated Driver Licensing (GDL) Program is convicted of failing to wear a seat belt while driving, his or her licence will be suspended for _______ for a first offence.
  4. If a driver in the Graduated Driver Licensing (GDL) Program is convicted of failing to wear a seat belt while driving, his or her licence will be suspended for _______ for a second offence.
  5. Which of the following statements about driving with an instruction permit are FALSE?
  6. Which of the following types of off-highway vehicles are you allowed to operate without prior training?
  7. In which of the following situations should you increase your following distance?
  8. Which of the following statements about seat belts is FALSE?
  9. In the daytime, if you're carrying a load that extends more than ________ beyond the rear of your vehicle, you must display a red flag at the rear end of the load.
  10. Which of the following can impair your ability to drive safely?
  11. Any motor vehicle that is designed to travel slower than _______ must display a slow-moving vehicle sign at its rear.
  12. In Prince Edward Island, when must you use your headlights?
  13. Which of the following statements about using your horn are FALSE?
  14. If the driver of a vehicle behind you sounds his or her horn and signals his or her intention to pass, what should you do?
  15. Rolling a stop sign is
  16. Two cars are turning onto a divided highway. Which cars are turning correctly?
  17. In Prince Edward Island, you may NOT park or stop
  18. In Prince Edward Island, are you allowed to turn right on a red light?
  19. What must you do at a flashing red light?
  20. You're driving a vehicle without antilock brakes (ABS) on a slippery, wet road. What is the best way to stop your vehicle?
  21. If you approach a railway crossing when a train is approaching, you must stop at least ________ from the nearest rail.
  22. In Prince Edward Island, you must dim your headlights to low beam whenever you are within ________ of an oncoming vehicle.
  23. In Prince Edward Island, U-turns are NOT permitted
  24. Two cars arrive at a crossroads at about the same time. Which of the following is true?
  25. While you're waiting for oncoming traffic to clear before you make a left turn, which way should you point your front wheels?
  26. Children under the age of ____ should ride in the rear seat, not the front seat.
  27. Two cars arrive at an uncontrolled intersection (i.e., one not controlled by signs or signals) at about the same time. Which of the following is true?
  28. Three cars are approaching this four-way stop, one after the other. In which order should these cars proceed?
  29. By law, before entering any roadway, you must
  30. Which of the following statements is FALSE about passing another vehicle?