Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Fire hazards Explosion hazards Depletion of dissolved oxygen Persistent foam Fire hazards Explosion hazards Depletion of dissolved oxygen Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Cracking of rubber products Damage of electrical insulator on high tension power line Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Cracking of rubber products Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? CO NH₃ NO₂ SO₂ & SO₃ CO NH₃ NO₂ SO₂ & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Thermosphere Troposphere Stratosphere Mesosphere Thermosphere Troposphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Volcanic eruption Forest fire Deforestation None of these Volcanic eruption Forest fire Deforestation None of these 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 Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate Benzopyrene Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP