Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5.5 m 5 m 7 m 6.5 m 5.5 m 5 m 7 m 6.5 m 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 from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank None of these A particle to travel from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 3 1.5 2.5 2 3 1.5 2.5 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Sewer line runs along a main road Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Sewer line runs along a main road ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The quantity of liquid waste which flows in sewers during the period of rainfall, is known Industrial waste Storm sewage Sanitary sewage None of these Industrial waste Storm sewage Sanitary sewage None of these 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 + 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 [(100 + P2)/(100 – P1)] V1 ANSWER DOWNLOAD EXAMIANS APP
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