Ontario Class D Practice Test · Question
Before a long downgrade, a heavy truck driver should:
Shift into a lower gear before the descent so engine braking helps control speed without overheating the brakes.
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Question: Before a long downgrade, a heavy truck driver should:
Answer options:
- Shift into neutral ✅ Shift to a lower gear before descending
- Apply the parking brake
- Speed up
Correct answer: Shift to a lower gear before descending
Explanation: Shift into a lower gear before the descent so engine braking helps control speed without overheating the brakes.
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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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