Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 1.5 3 2 4 1.5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Upper ends of branch sewers All listed here Distances 150 m to 300 m Every change in the size of sewers Upper ends of branch sewers All listed here Distances 150 m to 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Windrow Plateau None of these A heap Windrow Plateau None of these A heap 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 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 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Lined with stones Neither A. nor B. Both A. and B. With beds of rocks and gravels Lined with stones Neither A. nor B. Both A. and B. With beds of rocks and gravels ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP