Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 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 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1095 mm 1065 mm 1075 mm 1045 mm 1095 mm 1065 mm 1075 mm 1045 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 50 cm 80 cm 100 cm 90 cm 50 cm 80 cm 100 cm 90 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage Turbidity Odour All listed here Colour Turbidity Odour All listed here Colour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 3 m 4.5 m 3.5 m 4 m 3 m 4.5 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
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