1. Engineering
  2. Mechanical Engineering
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2) The pump of a water distribution system is powered by an electric motor operating at a voltage of 460 V drawing 32 amps. The pump boosts pressure from 1 atm to 300 kPa, and supplies water (Pwater-1000 kg/m3) at a rate of 60 L/s. The inlet pipe diameter is 15 cm and the outlet pipe diameter is 20 cm. Determine a. The average inlet and outlet flow velocity (m/s) b. The rate of change in kinetic energy (kW) c. The electrical power input (kW) d. The overall efficiency of the pump-motor Pump 111 | Motor combination.

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