Beryl States That Insulation with the Smallest Possible Thermal Conductivity

question 44

Multiple Choice

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. Sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. Which one, if either is correct?

• A) Beryl, because low thermal conductivity results in low heat transfer.
• B) Beryl, because low thermal conductivity results in high heat transfer.
• C) Sapphire, because low thermal conductivity results in low heat transfer.
• D) Sapphire, because low thermal conductivity results in high heat transfer.
• E) Neither, because low heat transfer is desirable both in summer and in winter.

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