Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is Parabolic New egged Circular Rectangular Parabolic New egged Circular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is 1.350 D 1.250 D 1.625 D 1.425 D 1.350 D 1.250 D 1.625 D 1.425 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 150 ppm 50 ppm 200 ppm 100 ppm 150 ppm 50 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in Lakes Seas Rivers None of these Lakes Seas Rivers None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon All listed here Diameter of the sewer Discharge Velocity of flow All listed here Diameter of the sewer Discharge Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process 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 Sludge is activated by constant stirring Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP