Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Chloro-alkali industry Phosphoric acid plant Beverage plant Tanneries Chloro-alkali industry Phosphoric acid plant Beverage plant Tanneries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in Oxidation of carbonaceous matter to CO₂ All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Coagulation and flocculation of colloids Oxidation of carbonaceous matter to CO₂ All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Coagulation and flocculation of colloids 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 Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Iron & manganese Carbonates Arsenic Bi-carbonates Iron & manganese Carbonates Arsenic Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Phosgene Carbon monoxide Methyl iso-cynate (MIC) Sulphur dioxide Phosgene Carbon monoxide Methyl iso-cynate (MIC) Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad taste & colour Bad odour Disease Turbidity Bad taste & colour Bad odour Disease Turbidity ANSWER DOWNLOAD EXAMIANS APP
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