Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Active carbon Bog iron (iron oxide) Pulverised limestone Silica gel Active carbon Bog iron (iron oxide) Pulverised limestone Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Industrial chimney exhaust Burning of domestic fuel Automobiles exhaust Photochemical reaction in polluted atmosphere Industrial chimney exhaust Burning of domestic fuel Automobiles exhaust Photochemical reaction in polluted atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of sulphur Carbon monoxide Hydrogen sulphide Oxides of nitrogen Oxides of sulphur Carbon monoxide Hydrogen sulphide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Nitric acid Chloralkali Sulphuric acid Iron & steel Nitric acid Chloralkali Sulphuric acid Iron & steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
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