Waste Water Engineering Sewer ventilating columns are generally placed at Upper ends of branch sewers Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers Every change in the size of sewers All listed here Distances 150 m to 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 300 m 50 m 100 m 200 m 300 m 50 m 100 m 200 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/year 25 litres/person/month 30 litres/person/year 30 litres/person/month 25 litres/person/year 25 litres/person/month 30 litres/person/year 30 litres/person/month ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For evaporation and measurement of settable solids, the apparatus used, is An Imhoff cone A test tube A jar A breaker An Imhoff cone A test tube A jar A breaker ANSWER DOWNLOAD EXAMIANS APP