Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 120 cm 110 cm 100 cm 150 cm 120 cm 110 cm 100 cm 150 cm 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 2.5 1.5 2 3 2.5 1.5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally Highly decomposed Acidic A source of objectionable odour Alkaline Highly decomposed Acidic A source of objectionable odour Alkaline 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 + 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 The pressure exerted by All listed here The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material All listed here The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Three to four hours Six hours Two to three hours One hour Three to four hours Six hours Two to three hours One hour ANSWER DOWNLOAD EXAMIANS APP
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