Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Troposphere Stratosphere Mesosphere Thermosphere Troposphere Stratosphere Mesosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 100 2000 5 1000 100 2000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO₂, H₂S & NO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is Hydrocarbons NO CO₂ CO Hydrocarbons NO CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Neutral Acidic Highly acidic Alkaline Neutral Acidic Highly acidic ANSWER DOWNLOAD EXAMIANS APP
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