Waste Water Engineering The standard B.O.D. of water is taken for 1 day 2 days 5 days 3 days 1 day 2 days 5 days 3 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 3 years 4 years 5 years 3.5 years 3 years 4 years 5 years 3.5 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Oil and grease Sand and girt Large suspended organic solids Floating materials Oil and grease Sand and girt Large suspended organic solids Floating materials ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 120 cm 160 cm 100 cm 140 cm 120 cm 160 cm 100 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Average demand Twice the average demand Four times the average demand Thrice the average demand Average demand Twice the average demand Four times the average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP