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English Translations » 【化工工程交流】 » Basic Process Knowledge (Multiple Choice) 20180513

Basic Process Knowledge (Multiple Choice) 20180513

2018-05-13View Original

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Basic Process Knowledge (Multiple Choice) 20180513 What could cause an excessive current in a centrifugal pump? A. The discharge valve starts to open. B. The rotational speed increases. C. The level of the discharged liquid rises. D. The pressure in the discharge container increases. Hint: Under similar operating conditions, power is proportional to the cube of the rotational speed; all other flow rates decrease, and thus power also decreases.
Reply #22018-05-13
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Translated at 2026-07-21 03:57:50

Original: https://bbs.hcbbs.com/thread-1984463-1-1.html

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