Mechanical Equipment: 【Question of the Day】2011.04.24
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This post was last edited by Black gold on 2011-4-25 07:15. 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, only the first response indicating participation 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 use of ( ) in centrifugal pumps results in a decrease in flow rate, while the power required by the pump increases. A. Variable speed adjustment ； B. Throttling control ； C. Bypass adjustment ； D. Adjusting by cutting the impeller ； Answer: Choose (C)
Reply 1# Black Gold B. Throttling control
Reply 1# Black Gold C
Reply 1# Black Gold C. Bypass adjustment