【Daily Question】Pump Equipment Technical Exchange Edition 20180131
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Participation: Prize 3 Wealth； Correct answer: Reward of 10 wealth points ； Note: A reward of 10 wealth points will be given for correct answers within 48 hours; this post is valid for 48 hours. Multiple-choice question: In a multi-stage centrifugal pump, every two impellers are installed symmetrically in opposite directions on the same pump shaft, so that the axial forces generated by each pair of impellers cancel each other out. This method is called ( ). A. Using the balanced drum method B. Double-suction impeller balancing method C. Using the balance disk method D. Symmetrical arrangement of impellers Correct answer: D https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
Multiple-choice question: In a multi-stage centrifugal pump, every two impellers are installed symmetrically in opposite directions on the same pump shaft, so that the axial forces generated by each pair of impellers cancel each other out. This method is called ( D ). A. Using the balanced drum method B. Double-suction impeller balancing method C. Using the balance disk method D. Symmetrical impeller arrangement method