Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 90 days 60 days 15 days 30 days 90 days 60 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Centrifugal pump Reciprocating pump None of these Pneumatic ejector Centrifugal pump Reciprocating pump None of these Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The liquid wastes from kitchens, bath rooms and wash basins, is not called Sullage None of these Liquid waste Sewage Sullage None of these Liquid waste Sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3 years 4 years 3.5 years 5 years 3 years 4 years 3.5 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 2000 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum None of these In sewer treatment plants In freshly produced sewage At sewer pipes None of these In sewer treatment plants In freshly produced sewage At sewer pipes ANSWER DOWNLOAD EXAMIANS APP