Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Phosgene Methyl iso-cynate (MIC) Carbon monoxide Sulphur dioxide Phosgene Methyl iso-cynate (MIC) Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Phosphoric acid plant Beverage plant Chloro-alkali industry Tanneries Phosphoric acid plant Beverage plant Chloro-alkali industry Tanneries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Active carbon Bog iron Limestone powder Silica gel Active carbon Bog iron Limestone powder Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane Chlorofluro carbons (CFC) All of these Nitrous oxide Methane Chlorofluro carbons (CFC) All of these Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Poor quality of fuel and improper mixing of fuel & combustion air Insufficient supply of combustion air and insufficient time for combustion All of these Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air Insufficient supply of combustion air and insufficient time for combustion All of these Poor design & overloading of furnace ANSWER DOWNLOAD EXAMIANS APP
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