A pump operates adiabatically with liquid water entering at Tr and Pi with a mass flowrate m. The discharge pressure is Pr, and the pump efficiency is 0,75. For the following set of operating conditions, determine: a) the power requirement of the pump and b) the temperature of the water discharged from the pump: Data: P 100 kPa tN-20 kg/s I2,500 kPa Properties of saturated liquid water at 50 "C: V-1,010 cm'kg, C-4.178 k/kg-K; B-257.2 x 10 K

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