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English Translations » 【工业泵圈】 » 【Daily Question】Pump Equipment Technical Exchange Edition 20

【Daily Question】Pump Equipment Technical Exchange Edition 20180106

2018-01-06View Original

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Participation: Prize 2 Wealth； Correct answer: Reward of 5 wealth points ； Note: Correct answers within 48 hours earn 5 wealth points; this post is valid for 48 hours. Multiple-choice question: When the opening of the control valve of a centrifugal pump changes, (). A. It will not change the pipeline characteristic curve. B. It will not change the operating point. C. It will not change the pump’s characteristic curve. D. It will not change the pressure head required by the pipeline. Correct answer: C
Reply #22018-01-07
When the opening of the control valve of the centrifugal pump changes, (C). A. It will not change the pipeline characteristic curve. B. It will not change the operating point. C. It will not change the pump’s characteristic curve. D. It will not change the pressure head required by the pipeline
Reply #32018-01-07
When the opening of the control valve of the centrifugal pump changes, (C). A. It will not change the pipeline characteristic curve. B. It will not change the operating point. C. It will not change the pump’s characteristic curve. D. It will not change the pressure head required by the pipeline
Reply #42018-01-07
C. It will not change the pump’s characteristic curve

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Translated at 2026-07-21 03:31:51

Original: https://bbs.hcbbs.com/thread-1892593-1-1.html

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