Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 10 1 in 5 1 in 15 1 in 20 1 in 10 1 in 5 1 in 15 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
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 1000 100 10000 5000 1000 100 10000 5000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Solubility of gases in sewage Biological activity of bacteria in sewage Viscosity of sewage All of these Solubility of gases in sewage Biological activity of bacteria in sewage Viscosity of sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Those from which sludge is skimmed out Improved version of grit chambers Used to remove the grease and oil Tanks provided with self- cleansing screens Those from which sludge is skimmed out Improved version of grit chambers Used to remove the grease and oil Tanks provided with self- cleansing screens ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 3 years 3.5 years 4 years 5 years 3 years 3.5 years 4 years 5 years ANSWER DOWNLOAD EXAMIANS APP