【Pump Technology Edition: Daily Question】April 4, 2020 (Section perk: 10 Wealth points for those who answer correctly before the answers are revealed)

2020-04-06View Original

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This post was last edited by Xiuxiu, the pump repair specialist, on 2020-4-6 at 22:34. When the rotor speed rises to a certain value, the vibration’s (）always lags behind (）by a certain phase angle: A. peak point B. trough point C. critical point. (The answer will be revealed the day before it’s announced; those who guess correctly before the announcement will receive 10 wealth points, those who get it right after the announcement will receive 5 wealth points, and those who participate will receive 3 wealth points.) I’ve been a bit busy lately, so I’m taking some time to post questions and score responses, but no matter how busy or late it gets, I will still post and reply to everyone. Thank you all for your continued support!

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【Pump Technology Edition: Daily Question】April 4, 2020 (Section perk: 10 Wealth points for those who answer correctly before the answers are revealed)

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