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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

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

Last Updated: March 03, 2019