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c) Superheated steam at 200C flows in a thin-walled tube that has a diameter of 50cm and 5m long. The tube is insulated with a

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c) Superheated steam at 200C flows in a thin-walled tube that has a diameter of 50cm and 5m long. The tube is insulated with a 5cm thick layer of gypsum plaster (k=0.5 W/mK) and a 4cm thick layer fiberglass insulation (k=0.035W/mK). The insulated pipe is placed horizontally inside a warehouse where the average air temperature is 10C. The steam and the air heat transfer coefficients are 800 and 200W/m2K, respectively. Determine the rate of heat loss from the superheated steam. (15 marks)

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