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Question 3.EX.9: A 10-m-long by 3-m-high wall is composed of an insulation la...

A 10-m-long by 3-m-high wall is composed of an insulation layer with R = 2 m²· K/W and a wood layer with R = 0. 5 m²· K/W. Estimate the heat transfer rate through the wall if the temperature difference is 40°C.

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