Waste Water Engineering For treating the sewage of a large city, you will recommend Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters None of these Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 120 1 in 100 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 15 cm 10 cm 12 cm 18 cm 15 cm 10 cm 12 cm 18 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Cement concrete sewers Glazed bricks sewers Stone ware sewers Cast iron sewers Cement concrete sewers Glazed bricks sewers Stone ware sewers Cast iron sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% ANSWER DOWNLOAD EXAMIANS APP
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