Question: Dry air at 25oC and atmospheric pressure flows inside a 5-cm-diameter pipe at a velocity of 3 m/s. The wall is coated with a thin

Dry air at 25oC and atmospheric pressure flows inside a 5-cm-diameter pipe at a velocity of 3 m/s. The wall is coated with a thin film of water, and the wall temperature is 25oC. Calculate the water-vapor concentration in the air at exit of a 3-m length of the pipe.

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