Waste Water Engineering For house drainage minimum gradient is 1 in 400 1 in 80 1 in 60 1 in 10 1 in 400 1 in 80 1 in 60 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 213.5 cm/sec 413.5 cm/sec 313.5 cm/sec 500 cm/sec 213.5 cm/sec 413.5 cm/sec 313.5 cm/sec 500 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Aeration is continued till stability Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Floating materials Oil and grease Sand and girt Large suspended organic solids Floating materials Oil and grease Sand and girt Large suspended organic solids 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 For design of sewers, percentage of sewage discharge is assumed 75 to 80% 70 to 75% 65 to 70% 0.85 75 to 80% 70 to 75% 65 to 70% 0.85 ANSWER DOWNLOAD EXAMIANS APP