Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Having drains at different levels With depths more than 3.5 m Without manhole covers Without entry ladders Having drains at different levels With depths more than 3.5 m Without manhole covers Without entry ladders ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Pneumatic ejector Reciprocating pump Centrifugal pump None of these Pneumatic ejector Reciprocating pump Centrifugal pump None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for None of these A particle to travel along its length The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone None of these A particle to travel along its length 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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