Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Biological activity of bacteria in sewage Solubility of gases in sewage All of these Viscosity of sewage Biological activity of bacteria in sewage Solubility of gases in sewage All of these Viscosity of sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.095 1.065 1.075 1.085 1.095 1.065 1.075 1.085 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) None of these Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known Screening Skimming None of these Filtration Screening Skimming None of these Filtration ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for All listed here Unexpected increase in population Large scale infiltration of storm water Low estimates of the average and maximum flows All listed here Unexpected increase in population Large scale infiltration of storm water Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
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