New Brunswick Class 7 Learner Knowledge Test · Question
If you encounter icy patches on a bridge or overpass, why might they be icier than the regular roadway?
Bridges and overpasses freeze faster and stay frozen longer because they are exposed to cold air on all sides, unlike roadways which are insulated by the ground
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Question: If you encounter icy patches on a bridge or overpass, why might they be icier than the regular roadway?
Answer options:
- Bridges are less frequently salted than roads ✅ They are typically exposed to more wind and have cold air circulating both above and below them, cooling faster
- The material used for bridges absorbs more moisture
- Traffic moves slower on bridges, allowing ice to form more easily
Correct answer: They are typically exposed to more wind and have cold air circulating both above and below them, cooling faster
Explanation: Bridges and overpasses freeze faster and stay frozen longer because they are exposed to cold air on all sides, unlike roadways which are insulated by the ground.
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Question explanations
- What does a circular sign with a red border and diagonal line through a black 'P' indicate?
- You are driving in Edmonton and see a flashing amber light on a school bus. What action must you take?
- A diamond-shaped sign with a yellow background and black symbols is always a:
- What does a blue sign with a white 'H' typically indicate?
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