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 200 ppm 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Bottom side Horizontal side All sides Top side Bottom side Horizontal side All sides Top side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.55 0.45 0.6 0.5 0.55 0.45 0.6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is New egged Circular Parabolic Rectangular New egged Circular Parabolic Rectangular ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS