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 100 cm 80 cm 50 cm 90 cm 100 cm 80 cm 50 cm 90 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full All listed here Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full All listed here Must be of adequate size to avoid over flow ANSWER DOWNLOAD EXAMIANS APP
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 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 20% more 10% more 10% less 20% less 20% more 10% more 10% less ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are 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 Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of Imhoff Cone Potentiometer Turbid meter None of these Imhoff Cone Potentiometer Turbid meter None of these ANSWER DOWNLOAD EXAMIANS APP
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