Waste Water Engineering ‘Cowl’ is provided at Lower end of ventilating column Upper end of the manhole First step in manhole Upper end of ventilating column Lower end of ventilating column Upper end of the manhole First step in manhole Upper end of ventilating column 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 250 ppm None of these 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on All sides Bottom side Top side Horizontal side All sides Bottom side Top side Horizontal side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 25 litres 20 litres 15 litres 10 litres 25 litres 20 litres 15 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 12 days 14 days 2 days 7 days 12 days 14 days 2 days 7 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer that unloads the sewage at the point of treatment is called Branch sewer House sewer Main sewer Outfall sewer Branch sewer House sewer Main sewer Outfall sewer ANSWER DOWNLOAD EXAMIANS APP
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