Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric chloride Ferric sulphate Alum Chlorinated coppers Ferric chloride Ferric sulphate Alum Chlorinated coppers 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 50 ppm 150 ppm 100 ppm 200 ppm 50 ppm 150 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted On manholes At the beginning of sewer line With a W.'trap At the end of septic tanks On manholes At the beginning of sewer line With a W.'trap At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following part of human body withstands minimum radiation? Eyes Kidneys Ovaries/testis Thyroid Eyes Kidneys Ovaries/testis Thyroid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is None of these Reciprocating pump Centrifugal pump Pneumatic ejector None of these Reciprocating pump Centrifugal pump Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
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