Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 40 to 60% 60 to 80% 80 to 90% 30 to 40% 40 to 60% 60 to 80% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 2 to 3 5 to 10 1 3 to 5 2 to 3 5 to 10 1 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipe which carries sewage from a building for immediate disposal is Intercepting sewer Main sewer Lateral sewer House sewer Intercepting sewer Main sewer Lateral sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement pipes are generally laid At an angle of 60° At an angle of 30° Horizontally Vertically At an angle of 60° At an angle of 30° Horizontally Vertically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 20 mm 40 mm 30 mm 50 mm 20 mm 40 mm 30 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? All of these 225 mm dia 150 mm dia 100 mm dia All of these 225 mm dia 150 mm dia 100 mm dia ANSWER DOWNLOAD EXAMIANS APP