Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 65 to 70% 75 to 80% 0.85 70 to 75% 65 to 70% 75 to 80% 0.85 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process 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 Aeration is continued till stability Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Circular Rectangular Horse shoe shaped Egg shaped Circular Rectangular Horse shoe shaped Egg shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Four times the average demand Twice the average demand Thrice the average demand Average demand Four times the average demand Twice the average demand Thrice the average demand Average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in Neither A nor B The presence of oxygen The absence of oxygen Both cases A and B Neither A nor B The presence of oxygen The absence of oxygen Both cases A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Biological action is used Filtration process is used Both A and B Neither A nor B Biological action is used Filtration process is used Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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