Mechanical Equipment: 【Question of the Day】2011.04.27
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This post was last edited by Black gold on 2011-4-28 05:41. Please hide your replies; editing after posting is ineffective! Those with different views on the provided answer keys can post discussions the next day. For multiple accounts under the same IP responding to participate, only the first response is valid. This issue consists of multiple-choice questions; 5 points are awarded for each correct answer, and everyone who participates will receive a reward. Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html. The purpose of cutting the impeller of a centrifugal pump is to achieve ( ). A. Flow regulation ； B. Power regulation ； C. Improve efficiency ； D. Meet the actual requirements of the pipeline ； Answer: Choose (B)
Reply 1# Black Gold C
Reply 1# Black Gold B
D. Meet the actual requirements of the pipeline
Reply 1# Black Gold D
D. Meet the actual requirements of the pipeline