Pick out the wrong statement/ – McqOptions

MCQOPTIONS

1.	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
Answer» B. The emissivity of a surface increases with increase in surface roughness

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