Environmental Engineering in CE Aerosols present in atmospheric air may be Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 2000 10 200 1000 2000 10 200 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? SO₂ & SO₃ NO₂ NH₃ CO SO₂ & SO₃ NO₂ NH₃ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aerosols Aggregates Smoke Grit Aerosols Aggregates Smoke Grit ANSWER DOWNLOAD EXAMIANS APP