Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Carbondioxide gas Hydrogen sulphide Methane gas Diesel vapours Carbondioxide gas Hydrogen sulphide Methane gas Diesel vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular septic tanks Circular Imhoff double storey tanks without bottom hoppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for The flow of sewage to fill the tank A particle to travel along its length None of these A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank A particle to travel along its length None of these A particle to travel from top surface to bottom sludge zone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum At sewer pipes In sewer treatment plants In freshly produced sewage None of these At sewer pipes In sewer treatment plants In freshly produced sewage None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 10 days 20 days 60 days 30 days 10 days 20 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
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