Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Oxygen ion concentration Bacterial stability factor Relative stability Biological oxygen demand (BOD) Oxygen ion concentration Bacterial stability factor Relative stability ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of December July June September December July June September ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Inorganic pollutants None of these Radioactive substances Natural organic products Inorganic pollutants None of these Radioactive substances Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment ANSWER DOWNLOAD EXAMIANS APP
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