Waste Water Engineering Traps Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Dissolve the foul gases Are used to trap the rats entering sewers Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Dissolve the foul gases Are used to trap the rats entering sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of sewer to be adopted is 10 cm 12.5 cm 25 cm 15 cm 10 cm 12.5 cm 25 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 More than 500 Between 200 to 300 Less than 150 Between 150 to 200 More than 500 Between 200 to 300 Less than 150 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5 m 7 m 5.5 m 6.5 m 5 m 7 m 5.5 m 6.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Pneumatic ejector Centrifugal pump None of these Reciprocating pump Pneumatic ejector Centrifugal pump None of these Reciprocating pump 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 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
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