Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 160 cm 100 cm 120 cm 140 cm 160 cm 100 cm 120 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each Junction Change of gradient Bend All of these Junction Change of gradient Bend All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Filtration process is used Biological action is used Both A and B Neither A nor B Filtration process is used Biological action is used Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm ANSWER DOWNLOAD EXAMIANS APP
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