Waste Water Engineering The gas evolved in sewers is Carbondioxide Hydrogen sulphide All of these Methane Carbondioxide Hydrogen sulphide All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is None of these 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Overflow velocity Surface loading Overflow rate All of these Overflow velocity Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each Junction All of these Change of gradient Bend Junction All of these Change of gradient Bend ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 0.85 75 to 80% 65 to 70% 70 to 75% 0.85 75 to 80% 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 20 days 30 days 60 days 10 days 20 days 30 days 60 days 10 days ANSWER DOWNLOAD EXAMIANS APP
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