Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Hydrochloric acid Lime Sodium sulphate Copper sulphate Hydrochloric acid Lime Sodium sulphate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is SO₃, NO₂ & CO₂ H₂S, NO & SO₃ CO, CO₂ & SO₂ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ H₂S, NO & SO₃ CO, CO₂ & SO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 4 1 12 8 4 1 12 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Cyclone All of these Decrease in food productivity Flood Cyclone All of these Decrease in food productivity Flood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Ozone None of these Carbon dioxide Hydrogen Ozone None of these Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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