Waste Water Engineering Antisyphonage pipe is fitted At the beginning of sewer line On manholes With a W.'trap At the end of septic tanks At the beginning of sewer line On manholes With a W.'trap At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. Neither A. nor B. Lined with stones With beds of rocks and gravels Both A. and B. Neither A. nor B. Lined with stones With beds of rocks and gravels ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.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 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Heart disorder Lung cancer Skin cancer Bronchitis Heart disorder Lung cancer Skin cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
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