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3 a) Calculate the heat flux through a sheet of brass 7.5mm thick if the temperatures at the two faces are 150C and 50C; assume

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3 a) Calculate the heat flux through a sheet of brass 7.5mm thick if the temperatures at the two faces are 150C and 50C; assume steady-state heat flow. b) What is the heat loss per hour if the area of the sheet is 0.5m?? c) Compare the hourly heat loss between a sheet of brass, soda-lime glass, and polypropylene, all 0.5min area

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