Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Alum Chlorinated coppers Ferric chloride Ferric sulphate Alum Chlorinated coppers Ferric chloride Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend None of these A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters None of these A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level A sewer drops from a height None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level A sewer drops from a height ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.50 m/sec 0.75 m/sec 0.60 m/sec 0.70 m/sec 0.50 m/sec 0.75 m/sec 0.60 m/sec 0.70 m/sec ANSWER DOWNLOAD EXAMIANS APP
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