Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Four times the average demand Thrice the average demand Twice the average demand Average demand Four times the average demand Thrice the average demand Twice the average demand Average demand 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
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Chezy’s formula Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula Kutter’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 75 m 20 m 45 m 30 m 75 m 20 m 45 m 30 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 Bazin Chezy Kutter Manning Bazin Chezy Kutter Manning ANSWER DOWNLOAD EXAMIANS APP
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