Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage Odour Turbidity Colour All listed here Odour Turbidity Colour All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for One pipe Four pipes Two pipes Three pipes One pipe Four pipes Two pipes Three pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Bazin Chezy Kutter Manning Bazin Chezy Kutter Manning 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 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 Should be sunk by 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 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 25 litres/person/year ANSWER DOWNLOAD EXAMIANS APP