Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 50 cm 40 cm 20 cm 25 cm 50 cm 40 cm 20 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 160 cm 120 cm 100 cm 140 cm 160 cm 120 cm 100 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 20 cm 10 cm 15 cm 25 cm 20 cm 10 cm 15 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 3 days 1 day 2 days 5 days 3 days 1 day 2 days 5 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is None of these 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
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