Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Biological oxidation Settling out using chemical reagents Skimming off Chlorination Biological oxidation Settling out using chemical reagents Skimming off Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Photochemical smog Dust particles Nitrogen dioxide Sulphur dioxide Photochemical smog Dust particles Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Smoke Powder Dust Colloids or aerosols Smoke Powder Dust 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. May increase or decrease ; depends on the chemical characteristics of polluted water Remains constant Increases Decreases May increase or decrease ; depends on the chemical characteristics of polluted water Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Tanneries Glass & ceramic Any of these Beverages Tanneries Glass & ceramic Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Air Radioactive Noise Water Air Radioactive Noise Water ANSWER DOWNLOAD EXAMIANS APP
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