Waste Water Engineering For treating the sewage of a large city, you will recommend A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters None of these A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters None of these A plant consisting of Imhoff tanks with low rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.112 kg in solution 0.225 kg in solution 0.112 kg in suspension Both A and C of above 0.112 kg in solution 0.225 kg in solution 0.112 kg in suspension Both A and C of above ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 1 hour 30 minutes 2 hours 1 hour and 30 minutes 1 hour 30 minutes 2 hours 1 hour and 30 minutes 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 Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Circular Rectangular New egged Parabolic Circular Rectangular New egged Parabolic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 2.5 2 1.5 3 2.5 2 1.5 3 ANSWER DOWNLOAD EXAMIANS APP