Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ H₂S Hydrocarbons CO SO₂ H₂S Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Inorganic None of these Organic Radioactive Inorganic None of these Organic Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Noise pollution SPM Radioactive rays Thermal pollution Noise pollution SPM Radioactive rays Thermal pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Depletion of dissolved oxygen Persistent foam Explosion hazards Fire hazards Depletion of dissolved oxygen Persistent foam Explosion hazards Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Temporary hardness Foul smell and taste Iron and manganese Permanent hardness Temporary hardness Foul smell and taste Iron and manganese ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation ANSWER DOWNLOAD EXAMIANS APP
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