Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 25 1 0.1 5 25 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood Of jamming of respiratory tract ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 20 200 100 400 20 200 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane All of these Nitrous oxide Chlorofluro carbons (CFC) Methane All of these Nitrous oxide Chlorofluro carbons (CFC) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Lagooning Activated carbon adsorption Chemical coagulation Biological oxidation pond Lagooning Activated carbon adsorption Chemical coagulation Biological oxidation pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S ANSWER DOWNLOAD EXAMIANS APP
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