Waste Water Engineering The factor responsible for purification of sewage in river is Dissolved oxygen in water Temperature All listed here Hydrology Dissolved oxygen in water Temperature All listed here Hydrology ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these 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 Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Fertilizer Base material for paints Building material Chemical for lowering B.O.D. Fertilizer Base material for paints Building material Chemical for lowering B.O.D. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Carbondioxide Nitrogen Sulphur-dioxide Oxygen Carbondioxide Nitrogen Sulphur-dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS