An insulated pipe of 50 mm outside diameter with e = 0.8 is laid in a room at 30°C. If the surface temperature is 250°C and the convective heat transfer coefficient is 10 W/m2K, the total heat loss per unit length of the pipe will be

An insulated pipe of 50 mm outside diameter with e = 0.8 is laid in a

1.	An insulated pipe of 50 mm outside diameter with e = 0.8 is laid in a room at 30°C. If the surface temperature is 250°C and the convective heat transfer coefficient is 10 W/m2K, the total heat loss per unit length of the pipe will be
A.	896.6 W/m
B.	818.8 W/m
C.	786.4 W/m
D.	742.2 W/m
Answer» C. 786.4 W/m

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An insulated pipe of 50 mm outside diameter with e = 0.8 is laid in a room at 30°C. If the surface temperature is 250°C and the convective heat transfer coefficient is 10 W/m2K, the total heat loss per unit length of the pipe will be

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