Waste Water Engineering A circular sewer section is preferred to because It provides maximum area for a given perimeter It is cheaper in construction It provides maximum hydraulic mean depth All listed here It provides maximum area for a given perimeter It is cheaper in construction It provides maximum hydraulic mean depth All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Sludge is activated by constant stirring Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 30 mm 40 mm 20 mm 50 mm 30 mm 40 mm 20 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 5 days 3 days 2 days 1 day 5 days 3 days 2 days 1 day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 10 ppm 4 ppm 3 ppm 5 ppm 10 ppm 4 ppm 3 ppm ANSWER DOWNLOAD EXAMIANS APP
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