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Water at 30 ∘C is pressurized in a pump from 80 kPa to 1600 kPa. If...

Water at 30 ∘C is pressurized in a pump from 80 kPa to 1600 kPa. If this requires 1.82 kJ for every kg of water that moves through the pump, then what is the isentropic efficiency of the pump? (Assume the mechanical efficiency is 100%)

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