Environmental Engineering in CE Polluted water having low BOD are most economically treated in Oxidation ponds Sedimentation tanks Clarifier Sludge digester Oxidation ponds Sedimentation tanks Clarifier Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? CO₂ N₂ H₂ SO₃ CO₂ N₂ H₂ SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Alum (aluminium sulphate) Ferric chloride Lime Sodium aluminate Alum (aluminium sulphate) Ferric chloride Lime Sodium aluminate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 + 0.0065h t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 + 0.0065h t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by All of these Rapid industrialisation Increased transportation activity Deforestation All of these Rapid industrialisation Increased transportation activity Deforestation ANSWER DOWNLOAD EXAMIANS APP
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