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 Kutter Manning Chezy Bazin Kutter Manning Chezy Bazin ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow None of these Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is New egged Circular Parabolic Rectangular New egged Circular Parabolic Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Neither A nor B Both A and B Concreting Raising low lying areas by dumping Neither A nor B Both A and B Concreting Raising low lying areas by dumping ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 60 to 80% 40 to 60% 30 to 40% 80 to 90% 60 to 80% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP