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【Daily Question】Utilities - Water Supply and Drainage - 20191009

2019-10-09View Original

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For a five-story residential building with a floor height of 3.0 m, the pressure required for its water supply system, calculated using empirical methods starting from the outdoor ground level, is (     ) kPa.   A. 28  B. 240   C. 200   D. 250  Answer: B is the correct answer.  When initially determining the water supply method, for civil buildings with a floor height of no more than 3.5 m, the pressure required in the water supply system (measured from the outdoor ground level) is: 100 kPa for the first floor, 120 kPa for the second floor; for each additional floor above the second floor, the pressure increases by 40 kPa. Therefore, the estimated pressure for this five-story residence is 240 kPa.

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