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A 20 foot uninsulated steam line crosses through a room. The outer diameter of the steam line is 20 in. and the outer surface

A 20 foot uninsulated steam line crosses through a room. The outer diameter of the steam line is 20 in. and the outer surface temperature is 250F. The convective heat transfer coefficient for the air is 16 Btu/hr-ft-F. The heat transfer rate from the pipe to the room is 3.95x105 Btu/hr. What is the air temperature in the room?

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