A bath shower mixes hot water at 135°F with cool water at 55°F. It is most comfortable to have a steady stream of warm water at 105°F for the person taking the shower. The ratio of the mass flow rates of hot to cool water is 1.67 and the cool waterrate is 0.5lbm/s. It may be assumed that the mixing is done in a chamberthat is adiabatic. The pressure throughout is 18 psia, and the environmental temperature is 68°F. Calculate the exergy of the outputstream and the irreversibility of the process.
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