Waste Water Engineering In detritus tanks, All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated ANSWER DOWNLOAD EXAMIANS APP
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 150 cm 100 cm 110 cm 120 cm 150 cm 100 cm 110 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When diluting water has high dissolved oxygen content When sewage is fresh When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When diluting water has high dissolved oxygen content When sewage is fresh ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 18 cm 10 cm 12 cm 15 cm 18 cm 10 cm 12 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular septic tanks ANSWER DOWNLOAD EXAMIANS APP
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