Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 7 m 5 m 6.5 m 5.5 m 7 m 5 m 6.5 m 5.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 80 1 in 10 1 in 400 1 in 60 1 in 80 1 in 10 1 in 400 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% 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? 100 mm dia 150 mm dia 225 mm dia All of these 100 mm dia 150 mm dia 225 mm dia All of these ANSWER DOWNLOAD EXAMIANS APP
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 – 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP