Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Turbidity Undesirable plant growth Odour nuisances Foaming Turbidity Undesirable plant growth Odour nuisances Foaming 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? NOx SO₂ CFC (chloro fluoro carbons) CO NOx SO₂ CFC (chloro fluoro carbons) CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 1500 750 230 20 1500 750 230 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 10 3.5 1 0.5 10 3.5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Coal None of these Iron Silica Coal None of these Iron Silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Fluorosis Dental cavity Respiratory disease Tooth decay Fluorosis Dental cavity Respiratory disease Tooth decay ANSWER DOWNLOAD EXAMIANS APP
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