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