Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Hydrazine Alum Lime Ferrous sulphate Hydrazine Alum Lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Neither A nor B Shear forces Both A & B Reynold stresses Neither A nor B Shear forces Both A & B Reynold stresses ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Radioactive Noise Water Air Radioactive Noise Water Air 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 CO CFC (chloro fluoro carbons) SO₂ NOx CO CFC (chloro fluoro carbons) SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 1000 10 2000 200 1000 10 2000 200 ANSWER DOWNLOAD EXAMIANS APP
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