Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 200 1000 10 2000 200 1000 10 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Poly acrylonitrile Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Poly acrylonitrile Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43832 15-20 25-30 43961 43832 15-20 25-30 43961 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
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO, SO₂ & H₂S CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO₂, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Active carbon Silica gel Bog iron Limestone powder Active carbon Silica gel Bog iron ANSWER DOWNLOAD EXAMIANS APP
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