Question: A wall 2 cm thick is to be constructed from material which has an average thermal conductivity of 1.3 W/m-K. The wall is to be

A wall 2 cm thick is to be constructed from material

A wall 2 cm thick is to be constructed from material which has an average thermal conductivity of 1.3 W/m-K. The wall is to be insulated with material having an average thermal conductivity of 0.35 W/ m-K, so that the heat loss per square meter will not exceed 1830 W. Assuming that the inner and outer surface temperature of the insulated wall are 1300C and 30C, calculate the thickness of insulation required. (: )

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