Waste Water Engineering The drop man holes are generally provided in sewers for Cities in plains Hilly town ships Industrial areas Large town ships Cities in plains Hilly town ships Industrial areas Large town ships ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at All listed here Distances 150 m to 300 m Upper ends of branch sewers Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers Every change in the size of sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 208 cu.m 204 cu.m 216 cu.m 212 cu.m 208 cu.m 204 cu.m 216 cu.m 212 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 40 to 60% 30 to 40% 60 to 80% 80 to 90% 40 to 60% 30 to 40% 60 to 80% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP