Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 50 ppm 200 ppm 100 ppm 150 ppm 50 ppm 200 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 4 hours 5 hours 2 hours 3 hours 4 hours 5 hours 2 hours 3 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters None of these A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 150 m 200 m 100 m 300 m 150 m 200 m 100 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Horse shoe shaped Standard egg shaped Parabolic shaped Circular shaped Horse shoe shaped Standard egg shaped Parabolic shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections ANSWER DOWNLOAD EXAMIANS APP
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