Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 25°C 15°C 20°C 0°C 25°C 15°C 20°C 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 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Oxidation Irrigation Purification Dilution Oxidation Irrigation Purification Dilution ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Six hours Two to three hours Three to four hours One hour Six hours Two to three hours Three to four hours One hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Without entry ladders Without manhole covers With depths more than 3.5 m Having drains at different levels Without entry ladders Without manhole covers With depths more than 3.5 m Having drains at different levels ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 15 days 90 days 60 days 30 days 15 days 90 days 60 days ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS