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 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 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Aeration is continued till stability Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 1 hour 30 minutes 1 hour and 30 minutes 2 hours 1 hour 30 minutes 1 hour and 30 minutes 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most effective arrangement for diverting excess storm water into a natural drainage, is Overflow weir Leaping weir Siphon spill way None of these Overflow weir Leaping weir Siphon spill way None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Standard egg shaped Circular shaped Horse shoe shaped Parabolic shaped Standard egg shaped Circular shaped Horse shoe shaped Parabolic shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Setting out the alignments of sewers may start from Out-fall Tail end City Any point Out-fall Tail end City Any point ANSWER DOWNLOAD EXAMIANS APP
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