[Discussion] [Pump Technology Edition: Daily Question] January 7, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed)

2020-01-07View Original

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66. The flow rate of a centrifugal pump is low; the reasons for this are (). A. Air in the pump B. Misaligned coupling C. Friction between the rotor and the pump casing. The answer to the question from yesterday was B. 65. When a centrifugal pump is empty, the (B) valve should be quickly closed. A、Inlet B、Outlet C、Bypass (Answers are released the day before they are made public; 10 wealth points for correct answers before release, 5 wealth points for correct answers after release, and 3 wealth points for participation)

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[Discussion] [Pump Technology Edition: Daily Question] January 7, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed)

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