Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 – P1)/(100 + P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P1)/(100 – P2)] V1 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 2 hours 30 minutes 1 hour and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 20 m 30 m 75 m 45 m 20 m 30 m 75 m 45 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 500 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted With a W.'trap At the end of septic tanks At the beginning of sewer line On manholes With a W.'trap At the end of septic tanks At the beginning of sewer line On manholes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 ANSWER DOWNLOAD EXAMIANS APP
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