【Daily Question】Utilities - Water Supply and Drainage - 20190612
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In a certain water supply system, water is drawn from artesian wells in the aquifer and transported to the clear water tank at the water distribution plant. The static head in the calculation of the lift of the water pump for shaft wells is (). A. The elevation difference between the lowest dynamic water level in the borewell and the highest water level in the clean water tank. B. The elevation difference between the designed dynamic water level of the borewell and the lowest water level in the clean water tank. C. The elevation difference between the designed dynamic water level inside the borewell and the highest water level in the clean water tank. D. The elevation difference between the designed dynamic water level outside the borewell and the highest water level in the clean water tank. Answer: A
A. Elevation difference between the lowest dynamic water level in the shaft well and the highest water level in the clear water tank