Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 60 days 15 days 90 days 30 days 60 days 15 days 90 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5.5 m 6.5 m 5 m 7 m 5.5 m 6.5 m 5 m 7 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand All of these First stage demand Carbonaceous demand Initial demand All of these First stage demand Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer that unloads the sewage at the point of treatment is called Outfall sewer Branch sewer House sewer Main sewer Outfall sewer Branch sewer House sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Sand and girt Oil and grease Floating materials Large suspended organic solids Sand and girt Oil and grease Floating materials ANSWER DOWNLOAD EXAMIANS APP
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