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’ = 0.64 D D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The factor responsible for purification of sewage in river is Hydrology Dissolved oxygen in water Temperature All listed here Hydrology Dissolved oxygen in water Temperature All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 150 mm dia 225 mm dia 100 mm dia All of these 150 mm dia 225 mm dia 100 mm dia All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 5000 10000 1000 100 5000 10000 1000 100 ANSWER DOWNLOAD EXAMIANS APP
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