Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Raising low lying areas by dumping Both A and B Neither A nor B Concreting Raising low lying areas by dumping Both A and B Neither A nor B Concreting ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand First stage demand All of these Carbonaceous demand Initial demand First stage demand All of these Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 100 m 50 m 200 m 300 m 100 m 50 m 200 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The discharge per unit plan area of a sedimentation tank, is generally called Over flow rate Over flow velocity All of these Surface loading Over flow rate Over flow velocity All of these Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Top of larger sewer is kept lower Top of smaller sewer is kept lower None of these Tops of both the sewers are at the same level Top of larger sewer is kept lower Top of smaller sewer is kept lower None of these Tops of both the sewers are at the same level ANSWER DOWNLOAD EXAMIANS APP
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