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Q#2 A wall is constructed of two layers of sheetrock with fiberglass insulation in between. The thickness of sheetrock and insulation are 0.5 inch and

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Q#2 A wall is constructed of two layers of sheetrock with fiberglass insulation in between. The thickness of sheetrock and insulation are 0.5 inch and 5 inch respectively. If the thermal conductivities are given to be krock - 0.10 Btu hf.F and kinsulation = 0.020 Btu h.ft.F. Estimate the total thermal resistance of the wall

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