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【Daily Question】Theoretical Foundation 2019.7.13

2019-07-13View Original

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Multiple-choice question: Given that the axis elevation of the water pump is 130 m, the suction elevation is 126 m, the liquid level elevation in the upper tank is 170 m, the resistance in the inlet pipe section is 0.81 m, and the resistance in the outlet pipe section is 1.91 m, then the head required of the pump is ( ). A. 40 m B. 44 m C. 45.91 m D. 46.72 m Answer: D Hint: The answer can be seen upon reply

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