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University Of California, Davis Operations And Supply Chain Management Assignment Help - The pump of a water


Question - The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90
percent. The water flow rate through the pump is 50 L/s. The diameters of the inlet and outlet pipes
are the same, and the elevation difference across the pump is negligible. If the pressures at the inlet
and outlet of the pump are measured to be 100 kPa and 300 kPa (absolute), respectively, determine
(a) The mechanical efficiency of the pump and
(b) The temperature rise of water as it flows through the pump due to the mechanical inefficiency.

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