Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Acidity Hardness Iron & zinc Alkalinity Acidity Hardness Iron & zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Beverage plant Tanneries Phosphoric acid plant Chloro-alkali industry Beverage plant Tanneries Phosphoric acid plant Chloro-alkali industry ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 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 Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Moderately Highly Extremely Very extremely Moderately Highly Extremely Very extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Decreases Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water ANSWER DOWNLOAD EXAMIANS APP
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