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 The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 25 cm 50 cm 40 cm 20 cm 25 cm 50 cm 40 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Sedimentation Oxidation All listed here Screening Sedimentation Oxidation All listed here Screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 18 cm 15 cm 10 cm 12 cm 18 cm 15 cm 10 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by Kutter Crimp and Bruges Bazin William-Hazen Kutter Crimp and Bruges Bazin William-Hazen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer that unloads the sewage at the point of treatment is called Main sewer Outfall sewer Branch sewer House sewer Main sewer Outfall sewer Branch sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
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