Waste Water Engineering Clogging of sewers, is caused due to Greasy and oily matters Silting All of these Low discharge Greasy and oily matters Silting All of these Low discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Nitrates Free ammonia None of these Nitrites Nitrates Free ammonia None of these Nitrites ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage All listed here Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening All listed here Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Maintenance expenses Operation expenses All of these Running expenses Maintenance expenses Operation expenses All of these Running expenses ANSWER DOWNLOAD EXAMIANS APP
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