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【Daily Question】Utilities - Water Supply and Drainage - 20190731

2019-07-31View Original

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The maximum daily water consumption in a certain city is 150,000 m3/day; the daily variation coefficient of water use is 1.2, and the hourly variation coefficient is 1.4. Therefore, the design flow rate for the water distribution network should be (   ).   A、6250m3/h  B、7500m3/h    C、8750m3/h   D、10500m3/h  Answer: C. The pipeline network should be designed for the highest daily peak water consumption; thus, the design flow rate is 150,000/24*1.4 = 8,750 m3/h. The diurnal variation coefficient is a redundant condition. Answer: C
Reply #22019-07-31
D、10500m3/h
Reply #32019-07-31
D、10500m3/h

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