Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by All listed here Screening Oxidation Sedimentation All listed here Screening Oxidation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 4.5 m 3 m 3.5 m 4 m 4.5 m 3 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, Flow velocity 0.15 m to 0.3 m/sec is kept All of these One minute of detention period is kept Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these One minute of detention period is kept Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Comminutor Both A and B Shredder Neither A nor B Comminutor Both A and B Shredder Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel along its length None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone ANSWER DOWNLOAD EXAMIANS APP
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