Pick out the wrong statement.

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Ram Sharma

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📊 Heat Transfer

Q. Pick out the wrong statement.

(A) The emissivity of a surface decreases, if it gets corroded by atmospheric environment
(B) The emissivity of a surface increases with increase in surface roughness
(C) The emissivity of a polished surface is quite low
(D) The emissivity of a non-metallic surface decreases with increase in the temperature

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✅ Correct Answer: (A) The emissivity of a surface decreases, if it gets corroded by atmospheric environment

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