Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 20 m 24 m 16 m 30 m 20 m 24 m 16 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by Size and shape of solid All listed here Viscosity of water Velocity of flow Size and shape of solid All listed here Viscosity of water Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 60 to 80% 40 to 60% 30 to 40% 80 to 90% 60 to 80% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 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 15 20 5 10 15 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
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