Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 90 days 60 days 15 days 30 days 90 days 60 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as A main sewer An intercepting sewer An outfall sewer A trunk sewer A main sewer An intercepting sewer An outfall sewer A trunk sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 30 m 16 m 20 m 24 m 30 m 16 m 20 m 24 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 100 m to 150 m 50 m to 100 m 25 to 50 m 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m 150 m to 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Sulphates Nitrates All of these Carbon dioxide Sulphates Nitrates All of these Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 24 to 36 hours 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours 4 to 8 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
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