Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 2 days 12 days 7 days 14 days 2 days 12 days 7 days 14 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is More than 7 Less than 7 More than 6 Less than 6 More than 7 Less than 7 More than 6 Less than 6 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 In a grit chamber of a sewage treatment plant, All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Three to four hours Two to three hours Six hours One hour Three to four hours Two to three hours Six hours One hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Are available in size Stoneware sewers 10 cm 15 cm 20 cm All of these 10 cm 15 cm 20 cm All of these ANSWER DOWNLOAD EXAMIANS APP
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