【Daily Question】Utilities - Water Supply and Drainage - 20190613
Thread Content
A water supply system draws water from a river; the river water is conveyed to the water treatment plant via intake structures and a primary pumping station. ““The lowest water level of the water intake structure” refers to (). A. Various head losses incurred during water intake under the condition of subtracting the designed water withdrawal volume from the minimum river water levelB. Various head losses incurred during water intake under the condition of subtracting the checked water volume from the minimum river water level
C. Various head losses incurred during water intake under the condition of subtracting the designed water withdrawal volume from the designed minimum river water level
D. Various head losses incurred during water intake under the condition of subtracting the checked water volume from the designed minimum river water level
Answer: A
A. The lowest river water level minus the various head losses associated with water extraction under the designed water withdrawal rate
C. Design minimum river level minus various head losses associated with water extraction under the design water extraction volume conditions