【Daily Question No. 003】2018.01.03
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【Daily Question No. 003】January 3, 2018: Water is pumped from a river using a centrifugal pump. When the water level in the river drops, the flow rate provided by the pump decreases. What is the reason for this? A. Gas entrapment occurred. B. The pump’s performance curve changed. C. The pipeline’s performance curve changed. The reference answers can be seen after responding; scoring is achieved by identifying the key points. C 2017: Summary of daily questions for registered chemical engineers https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1866965. 2018: Summary post for the registered chemical engineer version’s daily questions https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888974
Water is pumped out of the river using a centrifugal pump; when the water level in the river drops, the flow rate provided by the pump decreases, and the reason for this is (C). A. Gas entrapment occurred. B. The pump’s characteristic curve changed. C. The pipeline’s characteristic curve changed
C. The pipeline characteristic curve has changed
C. The pipeline characteristic curve has changed
C. The pipeline characteristic curve has changed