Waste Water Engineering The minimum diameter of sewer to be adopted is 15 cm 12.5 cm 25 cm 10 cm 15 cm 12.5 cm 25 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying Stone ware pipes G.I. pipes Earthenware pipes I. pipes Stone ware pipes G.I. pipes Earthenware pipes I. pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 40 to 60% 60 to 80% 30 to 40% 80 to 90% 40 to 60% 60 to 80% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Distances 150 m to 300 m All listed here Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Nitrates are formed Carbondioxide is formed Ammonia is formed Nitrites are formed Nitrates are formed Carbondioxide is formed Ammonia is formed ANSWER DOWNLOAD EXAMIANS APP
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