[Utilities – Water Supply and Drainage Section] 20181029
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A certain 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. The river’s lowest water level minus all head losses associated with water extraction under the designed water withdrawal rate. b. The river’s lowest water level minus all head losses associated with water extraction under the checked water withdrawal rate. c. The river’s designed lowest water level minus all head losses associated with water extraction under the designed water withdrawal rate. d. The river’s designed lowest water level minus all head losses associated with water extraction under the checked water withdrawal rate. Answer: c
c. The designed minimum river level minus various head losses associated with water intake under the designed water intake volume conditions
This post was last edited by drift by_WEWJ on 2018-10-29 08:34: c. The minimum water level for river design minus various head losses associated with water extraction under the conditions of designed water withdrawal volume