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What are provided to minimize heat loss?

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in Energy Engineering by (91.0k points)
What are provided to minimize heat loss?

(a) Absorber plate

(b) Surface plate

(c) Insulation

(d) Casing

The question was posed to me in an online interview.

Question is taken from Flat Plate Collectors topic in chapter Solar Energy of Energy Engineering

1 Answer

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Correct answer is (c) Insulation

Easy explanation: Insulation is provided at the back and sides to minimize heat losses. Fiber glass or styro-foam is used for this purpose. And also most modern collectors use standard insulators such as polyurethane or polyisocynurate.

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