Question: A steel pipe having a 0.05m outer diameter is covered with a 0.042m thick layer of magnesia (kmg= 0.07W/m.K) which in turn covered with a

A steel pipe having a 0.05m outer diameter is covered with a 0.042m thick layer of magnesia (kmg= 0.07W/m.K) which in turn covered with a 0.024m layer of fiberglass insulation (kt=0.048W/m.K). The pipe wall outside temperature i 5T1=370K and, the outer surface temperature of the fiberglass is T3=305K. Neglect the thermal resistance of pipe (a) Calculate the rate of heat loss q per meter of the steel pipe. (6 Marks) (b) Determine the interfacial temperature T2 between the magnesia layer and fiberglass layer insulation. (4Marks)

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