Q.1 Water is pumped from a lower reservoir to a higher reservoir by a pump that provides 20 kW of useful mechani- cal power to the water. The free surface of the upper reservoir is 45 m higher than the surface of the lower reservoir. If the flow rate of water is measured to be 0.03 m/s, determine the irreversible head loss of the system and the lost mechanical power during this process. 0.03 m's 45 m 20 kW Pump