Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 10 20 15 5 10 20 15 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in One hour Two to three hours Six hours Three to four hours One hour Two to three hours Six hours Three to four hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 100 mm dia All of these 225 mm dia 150 mm dia 100 mm dia All of these 225 mm dia 150 mm dia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Neither A nor B Both A and B Biological action is used Filtration process is used Neither A nor B Both A and B Biological action is used Filtration process is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known Filtration None of these Skimming Screening Filtration None of these Skimming Screening ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS