Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 25 to 50 m 50 m to 100 m 150 m to 300 m 100 m to 150 m 25 to 50 m 50 m to 100 m 150 m to 300 m 100 m to 150 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 1.5 2 3 2.5 1.5 2 3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Anaerobic decomposition Parasitic decomposition Aerobic decomposition None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It is cheaper in construction It provides maximum area for a given perimeter All listed here It provides maximum hydraulic mean depth It is cheaper in construction It provides maximum area for a given perimeter All listed here It provides maximum hydraulic mean depth ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Concreting Both A and B Raising low lying areas by dumping Neither A nor B Concreting Both A and B Raising low lying areas by dumping Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS