Waste Water Engineering The presence of free ammonia in sewage, is detected by Phenol-di-sulphuric acid Adding sulphuric acid Boiling Adding potassium permanganate Phenol-di-sulphuric acid Adding sulphuric acid Boiling Adding potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1000 litres/km/cm 500 litres/km/cm 2000 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 2000 litres/km/cm 1500 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for Large scale infiltration of storm water Unexpected increase in population All listed here Low estimates of the average and maximum flows Large scale infiltration of storm water Unexpected increase in population All listed here Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates All of these Sulphates Carbon dioxide Nitrates All of these Sulphates Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.64 D D’ = 0.74 D D’ = 0.84 D D’ = 0.94 D D’ = 0.64 D D’ = 0.74 D D’ = 0.84 D D’ = 0.94 D ANSWER DOWNLOAD EXAMIANS APP
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