Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HCl HNO₃ None of these H₂SO₄ HCl HNO₃ None of these H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of Turbid meter None of these Potentiometer Imhoff Cone Turbid meter None of these Potentiometer Imhoff Cone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is More than 500 Less than 150 Between 200 to 300 Between 150 to 200 More than 500 Less than 150 Between 200 to 300 Between 150 to 200 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Horse shoe shaped Egg shaped Parabolic shaped Circular shaped Horse shoe shaped Egg shaped Parabolic shaped Circular shaped 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
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
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