Ontario Class D Practice Test · Question
A low clearance sign showing 3.8 m means:
Low-clearance signs show the maximum safe height; heavy trucks must verify their load height before passing.
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Question: A low clearance sign showing 3.8 m means:
Answer options:
- Speed limit in km/h ✅ Maximum vehicle height that can safely pass
- Bridge weight limit
- Distance to next exit
Correct answer: Maximum vehicle height that can safely pass
Explanation: Low-clearance signs show the maximum safe height; heavy trucks must verify their load height before passing.
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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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