Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Cleaner water Recovery Degradation Active decomposition Cleaner water Recovery Degradation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Chlorinated coppers Ferric chloride Alum Ferric sulphate Chlorinated coppers Ferric chloride Alum Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes All listed here Domestic sewage Storm sewage Industrial sewage All listed here Domestic sewage Storm sewage Industrial sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Near the inner surface of the pipe Near the outer surface of the pipe Both A and B With elliptical cage Near the inner surface of the pipe Near the outer surface of the pipe Both A and B ANSWER DOWNLOAD EXAMIANS APP
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