1. A layered wall consists of a copper plate with a thickness of 2.5 cm, the second layer is made of asbestos, the thickness is 3.2 mm, and the third layer is made of glass fiber with a thickness of 5 cm. The overall temperature difference of this wall is 560 ° C. a. Calculate the overall heat transfer rate on this layered wall. b. Calculate T2 and T3

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