Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Skimming mill Cesspool Lagoon Septic tank Skimming mill Cesspool Lagoon Septic tank 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 Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? CO NOx Hydrocarbons SO₂ CO NOx Hydrocarbons SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Sulphur dioxide Dust particles Nitrogen dioxide Photochemical smog Sulphur dioxide Dust particles Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Air binding Mud balls Expansion of filtering media Shrinkage of filtering media Air binding Mud balls Expansion of filtering media Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
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