Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Eliminating H₂S in feed water Preheating of feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Preheating of feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Bad taste Color Foul odour Bacteria Bad taste Color Foul odour Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ NH₃ CO SO₂ & SO₃ NO₂ NH₃ CO SO₂ & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS