Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. None of these Hydrogen Carbon dioxide Ozone None of these Hydrogen Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of April December February July April December February July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Sedimentation Skimming off Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation 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? CFC (chloro fluoro carbons) NOx SO₂ CO CFC (chloro fluoro carbons) NOx SO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Skimming tank Imhoff tank Lagoon Oxidation Skimming tank Imhoff tank Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Hardness Turbidity Color Dissolved gases Hardness Turbidity Color Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
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