Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 120 None of these 1 in 60 1 in 100 1 in 120 None of these 1 in 60 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Hardness Bacterias Suspended solids Sediments Hardness Bacterias Suspended solids Sediments ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Ferric chloride Alum Chlorinated coppers Ferric sulphate Ferric chloride Alum Chlorinated coppers 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
Waste Water Engineering Flocculated particles do not change their Weight Shape None of these Size Weight Shape None of these Size ANSWER DOWNLOAD EXAMIANS APP
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