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/month 30 litres/person/year 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year 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 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Need not be sunk Should be sunk by 20 cm Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Need not be sunk Should be sunk by 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 200 m 300 m 50 m 100 m 200 m 300 m 50 m 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Raising low lying areas by dumping Neither A nor B Both A and B Concreting Raising low lying areas by dumping Neither A nor B Both A and B Concreting ANSWER DOWNLOAD EXAMIANS APP
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