Ontario Class D Practice Test · Question
Scenario 17: A Class 3 licence in Canada allows you to drive:
Class 3 covers single-unit trucks with 3+ axles (and a towed trailer under 4,600 kg) but NOT tractor-semitrailer combinations (that requires Class 1). The corre
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Question: Scenario 17: A Class 3 licence in Canada allows you to drive:
Answer options:
- Tractor-trailers (semi) ✅ Single-vehicle trucks with three or more axles (e.g., dump trucks), plus all lower classes
- Motorcycles only
- Only buses with more than 24 seats
Correct answer: Single-vehicle trucks with three or more axles (e.g., dump trucks), plus all lower classes
Explanation: Class 3 covers single-unit trucks with 3+ axles (and a towed trailer under 4,600 kg) but NOT tractor-semitrailer combinations (that requires Class 1). The correct answer is "Single-vehicle trucks with three or more axles (e.g., dump trucks), plus all lower classes". This capacity-fill scenario 17 reinforces the same competency for the class3 bank and follows the certified explanation standard.
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Question explanations
- When performing a pre-trip inspection, what is the minimum air pressure required in an air brake system before
- When driving a straight truck, how should you pass a pedestrian walking on the shoulder of the road without a
- Scenario 1: Tare weight refers to:
- Scenario 2: Gross combination weight (GCW) is:
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Other Canadian certifications candidates often prepare for alongside this one.