Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Potable water Industrial effluents Cooling water Distilled water Potable water Industrial effluents Cooling water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays Noise pollution Thermal pollution SPM Radioactive rays Noise pollution Thermal pollution SPM ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? SO₂ & SO₃ NH₃ NO₂ CO SO₂ & SO₃ NH₃ NO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Hydrazine Ferrous sulphate Lime Alum Hydrazine Ferrous sulphate Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? I-131 Sr-90 Ra-226 Au-198 I-131 Sr-90 Ra-226 Au-198 ANSWER DOWNLOAD EXAMIANS APP
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