A reservoir is at effective height of 95m. An irreversible pump is used to pump a mass flow of 4500 kg/s of water from ground level into the reservoir. Consider water as an incompressible liquid with mass density of 1000kg/m .
1) What is the power consumption of pump for an isentropic pump efficiency of 82%?
2) What is the power that can be recovered from a turbine with 93%? (with the same mass flow and height).
3)What is the change in temperature of the pumped water?
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