Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Twice the average demand Average demand Four times the average demand Thrice the average demand Twice the average demand Average demand Four times the average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 60 to 80% 40 to 60% 80 to 90% 30 to 40% 60 to 80% 40 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 20 m 30 m 45 m 75 m 20 m 30 m 45 m 75 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Chezy Manning Bazin Kutter Chezy Manning Bazin Kutter ANSWER DOWNLOAD EXAMIANS APP
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