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 Chemical coagulation Chlorination None of these Treating in biological oxygen pond Chemical coagulation Chlorination None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Asphyxiation Both B & C Tuberculosis Shortness of breath Asphyxiation Both B & C Tuberculosis Shortness of breath ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 10 250 1000 1 10 250 1000 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Glass & ceramic Tanneries Beverages Any of these Glass & ceramic Tanneries Beverages Any of these ANSWER DOWNLOAD EXAMIANS APP
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 Relative stability Bacterial stability factor Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor 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 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 ANSWER DOWNLOAD EXAMIANS APP
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