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Water is pump from a lake to a storage tank at 18m above at

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Water is pump from a lake to a storage tank at 18m above at a rate of 70 L/s while consuming 20.4 kW of electric power. disregarding any frictional losses in the pipes and any change s in kinetic energy, determine (a) the overall efficiency of the pump-motor unit 

Reference no: EM13345836

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