Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the inner surface of the pipe Near the outer surface of the pipe With elliptical cage Both A and B Near the inner surface of the pipe Near the outer surface of the pipe With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 4 ppm 5 ppm 3 ppm 10 ppm 4 ppm 5 ppm 3 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 60 days 20 days 10 days 30 days 60 days 20 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 30 minutes 1 hour and 30 minutes 2 hours 1 hour 30 minutes 1 hour and 30 minutes 2 hours 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 25 to 50 m 100 m to 150 m 50 m to 100 m 150 m to 300 m 25 to 50 m 100 m to 150 m 50 m to 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 5 15 10 20 5 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
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