Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 100 ppm 300 ppm 50 ppm 700 ppm 100 ppm 300 ppm 50 ppm 700 ppm 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'? Photochemical smog & soot None of these Smoke & fumes Dust & mists Photochemical smog & soot None of these Smoke & fumes Dust & mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Vibration damping Green house gases Tree plantation Use of silencers Vibration damping Green house gases Tree plantation Use of silencers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Highly acidic Acidic Neutral Alkaline Highly acidic Acidic Neutral Alkaline 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 Benzopyrene Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because Of clotting of blood It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen ANSWER DOWNLOAD EXAMIANS APP
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