【Daily Question】Pump Equipment Technical Exchange Edition 20180117
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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: When a centrifugal pump is transporting water with normal flow rate and head, but the motor current is too high, it is not due to (). A. Voltage too low B. Packing too tight C. Power supply frequency too high D. Impeller colliding with the pump casing Correct answer: C https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
Multiple-choice question: When a centrifugal pump is transporting water and the flow rate and head are normal, but the motor current is too high, it is not due to (C). A. Voltage too low B. Packing too tight C. Power supply frequency too high D. Impeller colliding with pump casing
When a centrifugal pump is transferring water, the flow rate and head are normal, but if the motor current is too high, it is not due to (C). A. Voltage too low B. Packing too tight C. Power supply frequency too high D. Impeller colliding with pump casing
C~~~~~~~~~~~~