Waste Water Engineering Pick up the incorrect size of stone ware sewers 67.5 cm None of these 52.5 cm 82.5 cm 67.5 cm None of these 52.5 cm 82.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It is cheaper in construction All listed here It provides maximum hydraulic mean depth It provides maximum area for a given perimeter It is cheaper in construction All listed here It provides maximum hydraulic mean depth It provides maximum area for a given perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1000 litres/km/cm 1500 litres/km/cm 500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 1500 litres/km/cm 500 litres/km/cm 2000 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 The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
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