1.

A pump on the ground floor of a building can pumpup water to fill a tank of volume 30 m3 in 15 min. Ifthe tank is 40 m above the ground, and the efficiencyof the pump is 30%, then how much electric poweris consumed by the pump? (Take g 9.81 m/s)A. 100 kWC. 50.60 kW21.B. 43.60 kWD. 87.20 kW

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