[Utilities – Water Supply and Drainage Section] 20180930
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This post was last edited by hesonchang214 on 2018-9-30 23:18. A certain city has a population of 750,000 people; the water supply coverage rate is 70%, and the highest daily total domestic water consumption is 12.6×104 m3/day. The planned population in the near future is to reach 1 million people, the water supply coverage rate is to increase to 90%, and the maximum daily total domestic water consumption is to rise to 300 L/(person·day). The city’s maximum daily total domestic water consumption will be higher than it is currently (). a、6.75×104m3/d b、14.4×104m3/d c、17.4×104m3/d d、7.5×104m3/d Answer: b. According to recent plans, the designed maximum daily demand for domestic water is 0.3×100×90% = 27×104m3/d, which represents an increase of (27–12.6)×104 = 14.4×104m3/d compared to the current level.
b、14.4×104m3/d
c、17.4×104m3/d
b、14.4×104m3/d
a、6.75×104m3/d