Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 60 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 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 250 ppm 225 ppm 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system originates from Lateral sewers House sewers Branch sewers Main sewers Lateral sewers House sewers Branch sewers Main sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 0.68 m 1.76 m 0.88 m 1.36 m 0.68 m 1.76 m 0.88 m 1.36 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is Methane All of these Hydrogen sulphide Carbondioxide Methane All of these Hydrogen sulphide Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their None of these Size Shape Weight None of these Size Shape Weight ANSWER DOWNLOAD EXAMIANS APP
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