Calculate the rate of heat loss per foot and the thermal resistance for a 6 in. schedule 40 steel pipe covered with a 3 in. thick layer of 85% magnesia. Superheated steam at 300?F flows inside the pipe [ hc = 30 Btu/(h ft2 ?F)] and still air at 60?F is on the outside [ hc = 5 Btu/(h ft2 ?F)].GIVENSA 6 in. standard steel pipe covered with 85% magnesiaMagnesia thickness = 3 in.Superheated steam at 300?F flows inside the pipeSurrounding air temperature (T??) = 60?FHeat transfer coefficientsInside ( hci ) = 30 Btu/(h ft2 ?F)Outside ( hco ) = 5 Btu/(h ft2 ?F)ASSUMPTIONSConstant thermal conductivityThe pipe is made of 1% carbonsteel

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Steel Pipe Magnesia Insulation T.- 60°C T.