Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust 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? CO₂ N₂ H₂ SO₃ CO₂ N₂ H₂ SO₃ 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 High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Silicosis Reduced crop yield Respiratory disease (e.g., asthma) Cancer Silicosis Reduced crop yield Respiratory disease (e.g., asthma) Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Polishing Cutting Machining Grinding Polishing Cutting Machining Grinding ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters ANSWER DOWNLOAD EXAMIANS APP
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