Question: A 5 . 0 - cm - diameter cylinder is heated to a temperature of 2 0 0 C , and air at 3 0

A 5.0- cm -diameter cylinder is heated to a temperature of 200C, and air at 30C is forced across it at a velocity of 50ms. If the surface emissivity is 0.7, calculate the total heat loss per unit length if the walls of the enclosing room are at 10C.
A 5 . 0 - cm - diameter cylinder is heated to a

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