Question
The heat loss from unpainted aluminum side of a house has been calculated on the presumption that overall coefficient of heat transfer is 5 W/m² K. Later, it was discovered that the air pollution levels are such that fouling factor on this side is of the order of 0.0005 m² K/W. Find overall heat transfer coefficient of dirty side
Answer: Option C
Answer: (c).4.9875 W/m² K
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Answer: (c).4.9875 W/m² K
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