Waste Water Engineering If q is the average sewage flow from a city of population P, the maximum sewage flow Q = [(18 + P)/(4 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + )/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + P)/(4 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + )/(4 + )] q Q = [(4 + )/(18 + )] q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.84 D D’ = 0.74 D D’ = 0.94 D D’ = 0.64 D D’ = 0.84 D D’ = 0.74 D D’ = 0.94 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the outer surface of the pipe Near the inner surface of the pipe Both A and B With elliptical cage Near the outer surface of the pipe Near the inner surface of the pipe Both A and B With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening All listed here Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Neither A nor B Both A and B Filtration process is used Biological action is used Neither A nor B Both A and B Filtration process is used Biological action is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.25 0.05 0.5 0.1 0.25 0.05 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
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