Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.25 2.5 2.65 2.55 2.25 2.5 2.65 2.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed 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 At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually Less than 7 More than 7 Equal to 7 Equal to zero Less than 7 More than 7 Equal to 7 Equal to zero 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.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 2 5 10 0.25 2 5 10 0.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Trickling filters Sludge sedimentation tanks None of these Imhoff tanks Trickling filters Sludge sedimentation tanks None of these Imhoff tanks ANSWER DOWNLOAD EXAMIANS APP
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