Environmental Engineering in CE 80% less than 200 mesh size particles are called Powder Smoke Grit Aggregates Powder Smoke Grit Aggregates 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 Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 30 to 70 kV DC 230 V DC 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC 30 to 70 kV AC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? SO₂ CFC (chloro fluoro carbons) NOx CO SO₂ CFC (chloro fluoro carbons) NOx CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Stratosphere Trophosphere Mesosphere Thermosphere Stratosphere Trophosphere Mesosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? N₂ H₂ CO₂ SO₃ N₂ H₂ CO₂ SO₃ ANSWER DOWNLOAD EXAMIANS APP
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