Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.075 1.085 1.065 1.095 1.075 1.085 1.065 1.095 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 40 mm 50 mm 30 mm 20 mm 40 mm 50 mm 30 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called all of these Depressed sewer Sag pipe Inverted syphon all of these Depressed sewer Sag pipe Inverted syphon ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 110 cm 150 cm 120 cm 100 cm 110 cm 150 cm 120 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP