Question: Q2. a) Derive the expression for steady state heat flow by conduction through a cylindrical pipe. b) A tube 50 mm outer diameter is insulated

Q2. a) Derive the expression for steady state heat flow by

Q2. a) Derive the expression for steady state heat flow by conduction through a cylindrical pipe. b) A tube 50 mm outer diameter is insulated with 45 mm layer of silica foam, for which the conductivity is 0.055 W/m.C, followed by a cork layer of 35 mm thickness with conductivity of 0.05 W/m. C. If the temperature of outer surface of the pipe is 140C and temperature of outer surface of the cork is 30C, calculate the heat loss in watts per meter of pipe

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