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 + P1)/(100 – P2)] V1 [(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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Parabolic shaped Horse shoe shaped Standard egg shaped Circular shaped Parabolic shaped Horse shoe shaped Standard egg shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if None of these A sewer drops from a height A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level None of these A sewer drops from a height A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is Smoke test All listed here Water test Straightness test Smoke test All listed here Water test Straightness test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full ANSWER DOWNLOAD EXAMIANS APP
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