Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 15 days 60 days 30 days 90 days 15 days 60 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.022d + 0.085H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.285d + 0.011H)/Q d (0.022d + 0.085H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.285d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 14 days 7 days 2 days 12 days 14 days 7 days 2 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 500 to 1000 100 to 500 1000 to 1500 1500 to 2000 500 to 1000 100 to 500 1000 to 1500 1500 to 2000 ANSWER DOWNLOAD EXAMIANS APP
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