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.Management Sciences
A. The circular section of sewers provides maximum hydraulic mean depth
B. The circular sewers are provided for separate sewerage system
C. The circular sewers work efficiently if the sections run at least half full
D. All the above
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- For large sewers, maximum distance between manholes may be_______________?
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- Imhoff cone is used to determine_____________________?
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- The coagulant widely used for sewage treatment, is_________________?
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- If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of__________________?
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