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A plain wall of 10cm thickness and 3m2 area of is made of a material whose conductivity wall surface q 30C. respectively. flow How

A plain wall of 10cm thickness and 3m2 area of is made of a material whose conductivity wall surface q 30C. respectively. flow How across the wall. The temp. 100%and 30C. at steady the temp. gradient and heat ace Find

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