Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? Volcanic eruptions and lightening discharges None of these Biological decay of vegetable matter Photochemical oxidation of organic matter Volcanic eruptions and lightening discharges None of these Biological decay of vegetable matter Photochemical oxidation of organic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 1500-2500 5-10 1-2 90-120 1500-2500 5-10 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter Forest fire Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO₂, H₂S & NO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Foul smell and taste Temporary hardness Permanent hardness Iron and manganese Foul smell and taste Temporary hardness Permanent hardness Iron and manganese ANSWER DOWNLOAD EXAMIANS APP
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