ON Class C Commercial Licence Practice Test 6
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 ON commercial driver's licence manual
- Triple-checked for accuracy
- Updated for October 2024
questions
correct answers to pass
passing score
- 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?
- Compounding the air brakes can
- Different-sized tires can
- Double-clutching is
- During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
- During freezing conditions, you should exercise extreme caution when driving through which of the following?
- During your brake tests, you find that the brakes are not operating safely. What should you do?
- During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
- Every written trip inspection report must include which of the following?
- For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
- For optimal safety, your head restraint should be positioned so that its centre is level with
- Funeral processions have right-of-way over you…?
- How can you downgrade from a commercial licence to a non-commercial licence?
- How can you ensure smooth braking of a large commercial vehicle?
- How can you tell how much air pressure is in the service reservoirs?
- How do you ease your vehicle into a smooth stop?
- How often should you look at your mirrors?
- How should you drive through a large amount of water on the roadway?
- How should you handle driving around a curve?
- Idling for longer than five minutes can
- If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
- If a fire starts in your vehicle, you should do which of the following?
- If a peace officer asks for your logbook and supporting documents, what documents should you provide?
- If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
- If another driver wants to pass your vehicle, what should you do?
- If someone is tailgating you, what should you do?
- If you are going to park for longer than ________, you should turn off your engine.
- If you are parking a bus on a downgrade, you should
- If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
- If you are parking a vehicle on a downgrade, you should
- If you are parking your vehicle on an upgrade without a curb, you should
- If you are required to keep a logbook, what must you have in your possession?
- If you are unable to keep up with traffic on a steep grade, what should you do?
- If you feel tired while driving,
- If you find a defect or deficiency in your passenger vehicle, what should you do?
- If you find a major defect in your vehicle during your pre-trip inspection, when must it be repaired?
- If you leave the paved portion of the roadway, which of these should you NOT do to return to the roadway?
- If you miss your exit on a highway, you should
- If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?
- If you must drive more slowly than the traffic flow, you should
- If you need to keep a daily log, what else do you need to keep with you?
- If you reduce a tire’s air pressure when it is warm,
- If you see this sign, it means you are
- If you're driving a motor home, you should maintain a following distance of at least ________ behind the vehicle in front of you.
- If you're on a 14-day cycle, what is the maximum number of hours you can drive within 14 consecutive days?
- If your brakes get wet, what should you do?
- If your vehicle breaks down on the freeway, you should
- If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo securement system?
- If your vehicle starts to hydroplane, what should you do?
- If your vehicle starts to pull strongly to the right, it indicates