【Daily Question】Production, Storage, and Transportation - 20190705

2019-07-05View Original

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One question per day on the production, storage, and transportation version; 5 wealth points are awarded for correct answers； Effective participation grants 2 units of wealth ； A special bonus will be given to the first person who provides a reasonable explanation. Multiple-choice question: In a test centrifugal pump, shortly after it was started, the vacuum level at the pump’s inlet gradually dropped to zero, and the pressure gauge at the pump’s outlet also dropped to zero; at this point, the centrifugal pump was no longer able to pump any water out. The cause of the failure is ( ) (A) forgetting to water (B) blockage in the suction line (C) blockage in the discharge line (D) air leakage in the suction line (D) Air leakage in the suction line

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【Daily Question】Production, Storage, and Transportation - 20190705

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