Waste Water Engineering The drop man holes are generally provided in sewers for Hilly town ships Cities in plains Large town ships Industrial areas Hilly town ships Cities in plains Large town ships Industrial areas 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 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these 250 ppm 225 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 4 years 5 years 3.5 years 3 years 4 years 5 years 3.5 years 3 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Oxidation All listed here Screening Sedimentation Oxidation All listed here Screening Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Cleaner water Recovery Degradation Active decomposition Cleaner water Recovery Degradation ANSWER DOWNLOAD EXAMIANS APP
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