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 200 ppm 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Active decomposition Cleaner water Degradation Recovery Active decomposition Cleaner water Degradation Recovery ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 2 days 3 days 5 days 1 day 2 days 3 days 5 days 1 day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.225 kg in solution 0.112 kg in solution Both A and C of above 0.112 kg in suspension 0.225 kg in solution 0.112 kg in solution Both A and C of above 0.112 kg in suspension ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A sewer drops from a height None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level A sewer drops from a height None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is None of these Pneumatic ejector Centrifugal pump Reciprocating pump None of these Pneumatic ejector Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
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