Waste Water Engineering In trickling filter, B.O.D. is reduced to 40 to 60% 60 to 80% 80 to 90% 30 to 40% 40 to 60% 60 to 80% 80 to 90% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Diameter of the sewer Velocity of flow Discharge All listed here Diameter of the sewer Velocity of flow Discharge All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is New egged Parabolic Circular Rectangular New egged Parabolic Circular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Hardness Suspended solids Bacterias Sediments Hardness Suspended solids Bacterias Sediments ANSWER DOWNLOAD EXAMIANS APP
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