Waste Water Engineering Fresh sewage may become stale in Two to three hours Three to four hours Six hours One hour Two to three hours Three to four hours Six hours One hour 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 Average demand Twice the average demand Thrice the average demand Four times the average demand Average demand Twice the average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at The change of gradient The change of direction The junctions of sewers All of these The change of gradient The change of direction The junctions of sewers All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring Aeration is continued till stability Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring Aeration is continued till stability Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 160 cm 100 cm 120 cm 140 cm 160 cm 100 cm 120 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
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