Waste Water Engineering The temperature affects the All of these Biological activity of bacteria in sewage Viscosity of sewage Solubility of gases in sewage All of these Biological activity of bacteria in sewage Viscosity of sewage Solubility of gases in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Ammonia Carbondioxide Carbon monoxide Methane Ammonia Carbondioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for 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 Large scale infiltration of storm water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ H₂SO₄ None of these HCl HNO₃ H₂SO₄ None of these HCl ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Girt and sand are removed by girt chambers All listed here Oil and grease are removed from skimming tanks Floating materials are removed by screening Girt and sand are removed by girt chambers All listed here Oil and grease are removed from skimming tanks Floating materials are removed by screening ANSWER DOWNLOAD EXAMIANS APP
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