Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 100 5000 1000 10000 100 5000 1000 10000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 90 days 30 days 60 days 15 days 90 days 30 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 100 to 500 1000 to 1500 500 to 1000 1500 to 2000 100 to 500 1000 to 1500 500 to 1000 1500 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 100 downward 1 in 100 upward 1 in 503 upward 1 in 500 upward 1 in 100 downward 1 in 100 upward 1 in 503 upward 1 in 500 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS