A pump takes room temperature water ( = 998 /!) from a 9 cm diameter pipe and outputs room temperature water at the volumetric flow rate of 90 m3/h into a 4.5cm diameter pipe. If the pump efficiency is 85%, and the inlet and outlet pressures are 300kPa and 150kPa, respectively, how much power in kW must be delivered to the pump? Assume isothermal process, steady incompressible flow, no heat transfer, and no height variations