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HKIE Professional Assessment - Chemical Discipline Practice Questions - HKIE Professional Assessment - Chemical Discipline (Hong Kong Institution Of Engineers) Exam

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A centrifugal pump transports liquid with a density of 1200 kg/m³ against a total dynamic head of H = 30 meters. Assuming local gravitational acceleration g = 9.81 m/s² and a pump hydraulic efficiency η = 75%, what is the electrical shaft power required for a volumetric flow rate Q = 0.05 m³/s?
Correct Answer:
23.5 kW

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