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