Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 5 500 100 250 5 500 100 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 0.05 6.5 15 1 0.05 6.5 15 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? CO₂ NO₂ CO SO₂ CO₂ NO₂ CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Deforestation Increased transportation activity Rapid industrialisation All of these Deforestation Increased transportation activity Rapid industrialisation All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ H₂ CO CO₂ CH₄ H₂ CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Lime Sodium aluminate Alum (aluminium sulphate) Ferric chloride Lime Sodium aluminate Alum (aluminium sulphate) Ferric chloride ANSWER DOWNLOAD EXAMIANS APP
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