Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrates Aluminoid nitrogen Free ammonia Nitrites Nitrates Aluminoid nitrogen Free ammonia Nitrites ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In sewer treatment plants At sewer pipes In freshly produced sewage None of these In sewer treatment plants At sewer pipes In freshly produced sewage None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours All of these The shape is rectangular The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours All of these The shape is rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if None of these A lamp is inserted to check obstruction A sewer drops from a height A branch sewer joins the main sewer at higher level None of these A lamp is inserted to check obstruction A sewer drops from a height A branch sewer joins the main sewer at higher level 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 For large sewers, maximum distance between manholes may be 50 m 300 m 200 m 100 m 50 m 300 m 200 m 100 m ANSWER DOWNLOAD EXAMIANS APP