Q126
Pick out the wrong statement.
A.
The emissivity of a surface decreases, if it gets corroded by atmospheric environment
AnswerB.
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: Option A
Solution
Answer: Option A
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