Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Causes increase in sea level Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes asphyxia Causes increase in sea level Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes asphyxia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 50 2000 5000 1000 50 2000 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Hydrazine Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Flue gas of coal based power plant Automobile exhaust Exhaust of nitric acid plant Exhaust of sulphuric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of nitric acid plant Exhaust of sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS