Question detail
In terms of thermal insulation, what effect does wall thickness have on a building's energy efficiency?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Conservation and dissipation of energy
Question
- A. Increases energy efficiency
- B. Decreases energy efficiency
- C. Has no effect on energy efficiency
- D. Only affects heating efficiency
Answer
Increases energy efficiency
Explanation
The correct option is "Increases energy efficiency". Increases energy efficiency is right because it directly matches Energy transfers in a system: Describe how wall thickness affects the rate of cooling of a building.. The other options are less suitable because they change the required Physics relationship, confuse the relevant energy store or use a distractor that does not answer the question.
Common mistake
Misunderstanding Wall Thickness Impact
Students often think that increasing wall thickness always leads to slower cooling rates without considering other factors like material properties.
Explain that while thicker walls can reduce cooling rates, the thermal conductivity of the material also plays a crucial role in determining the overall rate of cooling.
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