Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO₂ CH₄ H₂ CO CO₂ CH₄ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Smoke & fumes Dust & mists None of these Photochemical smog & soot Smoke & fumes Dust & mists None of these Photochemical smog & soot ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Dental cavity Fluorosis Respiratory disease Tooth decay Dental cavity Fluorosis Respiratory disease Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by None of these Adsorption in ion exchange materials Coagulation and filtration Biological oxygen treatment None of these Adsorption in ion exchange materials Coagulation and filtration Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Hydrogen fluoride & nitrogen oxides Sulphur dioxide & spray of weed killers Carbon monoxide Smog & ozone Hydrogen fluoride & nitrogen oxides Sulphur dioxide & spray of weed killers Carbon monoxide Smog & ozone ANSWER DOWNLOAD EXAMIANS APP
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