QC General Knowledge Test 3
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 QC commercial driver's licence manual
- Triple-checked for accuracy
- Updated for December 2024
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 Quebec, 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 QC commercial driver’s manual. If you have any questions or comments, please contact us. Good luck!
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Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
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Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your driver's knowledge exam.
- If your vehicle has convex side mirrors, a motorcycle that you see in one of these mirrors will appear
- At night, if you're experiencing glare from the bright headlights of an oncoming vehicle, what should you do?
- If you feel threatened by another driver, you should not
- 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.
- If you're driving in blowing snow, your headlights should be
- For commercial drivers, the legal limit of blood alcohol concentration while they drive is
- If you hit a deer or moose while you're driving, what should you do?
- If you are involved in a collision that involves property damage only (no injuries), do you have to report the accident to the police?
- 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
- A professional driver is expected to demonstrate
- An A:B:C type fire extinguisher is designed to work on which types of fires?
- A class D fire extinguisher is designed to work on which types of fires?
- How often must you inspect your vehicle?
- In Ontario, you're approaching a school bus from behind that has stopped for passengers. You must stop at least _______ from the school bus.
- When you're approaching a steep downhill grade, you should
- When are you required to stop for a stopped school bus with red lights flashing?
- If your vehicle starts to skid, you should
- If your vehicle gets stuck on a railway track, what should you do?
- If you overbrake your vehicle, it may
- How can you improve your vehicle's fuel economy while you're behind the wheel?
- The differential lock must not be used when
- Under normal conditions, how should you apply the brakes to stop your vehicle?
- When can a police officer inspect a commercial motor vehicle?
- So-called slow-moving vehicles travel at speeds no greater than
- St. John Ambulance recommends that every commercial vehicle carry
- 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
- What should you do to prevent your vehicle from rolling backward when starting on an uphill grade?
- Prior to reversing your vehicle, what should you always do?
- When specifically might supplemental brakes be useful in controlling your vehicle?
- Where should the second warning signal be placed when your vehicle is on a highway, one-way road, or any other public thoroughfare with no oncoming traffic?
- What should your reaction be if you experience a tire blowout while driving?
- Which action will not enhance your visibility while reversing your vehicle?
- Where should the first warning signal be situated on a secondary road?
- While reversing the vehicle to the right and using a guide, where should the guide position themselves?
- On a public thoroughfare with no oncoming traffic, where should the first warning signal be placed?
- What does hydroplaning mean in the context of driving?
- What should you do before navigating a steep downward slope in your vehicle?
- Do you need to inspect your brakes before starting a downhill journey?
- On a secondary road, where should the third warning signal be placed?
- If the weight of the vehicle doubles, the amount of braking power required will...
- When are supplemental brakes most effective?
- Why is it crucial to be aware of the grade percentage value on a steep hill sign while driving?
- What is the average estimated time delay between when a driver perceives a hazard and when the brakes begin to reduce the vehicle's speed?
- Why is it advisable to reverse your vehicle by steering to the left, pushing the rear of the vehicle towards the driver's side, if possible?
- Is it advisable to signal other drivers to overtake your vehicle?
- When is the use of flares not allowed?
- On a secondary road, approximately how far from the vehicle should the second warning signal be placed?
- If one tire of a dual tire goes flat, what may happen?
- What is the most effective way to drive up a steep hill?
- By what factor does your stopping distance increase if you double your speed?
- What should you do if your vehicle breaks down, in addition to turning on your hazard lights?
- What can happen if you repeatedly apply your brakes or apply them for an extended period when driving down a long grade?
- On a highway, a one-way road, or any public thoroughfare with no oncoming traffic, approximately where should the third warning signal be placed?
- Why should you avoid pumping the brakes when going downhill if your vehicle has air brakes?
- Apart from a noisy tire or vibrations, what is another way to infer that you have a flat tire?
- Which action is not advisable if your vehicle begins to hydroplane?