Energy Transfers

1 mark · Normal

Which of the following is not a way to improve the energy efficiency of a house?

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Correct option: Painting radiators with matt black paint

Common mistakes: Picking an option that actually reduces unwanted energy transfer

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Marking points

B1 · 1 mark · Selects painting radiators with matt black paint.

Worked solution

Painting radiators black would increase the rate of heat loss by radiation, not reduce it. The other options help to reduce unwanted energy transfer.