Air at 1 atm with dry-bulb and wet-bulb temperatures of 82
Chapter 12, Problem 12.77(choose chapter or problem)
Air at 1 atm with dry-bulb and wet-bulb temperatures of 82 and \(68^{\circ} \mathrm{F}\), respectively, enters a duct with a mass flow rate of 10 lb/min and is cooled at essentially constant pressure to \(62^{\circ} \mathrm{F}\). For steady-state operation and negligible kinetic and potential energy effects, determine
(a) the relative humidity at the duct inlet.
(b) the rate of heat transfer, in Btu/min.
(c) Check your answers using data from the psychrometric chart.
(d) Check your answers using Interactive Thermodynamics: IT.
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