Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Treating in biological oxygen pond Chlorination None of these Chemical coagulation Treating in biological oxygen pond Chlorination None of these Chemical coagulation 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 Coagulation and flocculation of colloids Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate All of these Oxidation of carbonaceous matter to CO₂ Coagulation and flocculation of colloids Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate All of these Oxidation of carbonaceous matter to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? SO₂ Hydrocarbons NOx CO SO₂ Hydrocarbons NOx CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Corrosion Undesirable plant growth Explosion Non biodegradable foam Corrosion Undesirable plant growth Explosion Non biodegradable foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Underground burial in concrete containers Pyrolysis Pathological incineration High temperature incineration Underground burial in concrete containers Pyrolysis Pathological incineration High temperature incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.1 0.3 0.01 1 0.1 0.3 0.01 ANSWER DOWNLOAD EXAMIANS APP
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