Environmental Engineering in CE Removal of __________ results from the disinfection of water. Hardness Bacteria Odour Turbidity Hardness Bacteria Odour Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation Sedimentation Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? CO NO₂ SO₂ & SO₃ NH₃ CO NO₂ SO₂ & SO₃ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1500-2500 1-2 90-120 5-10 1500-2500 1-2 90-120 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Aluminium Mercury Arsenic Lead Aluminium Mercury Arsenic Lead 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? Ra-226 Au-198 I-131 Sr-90 Ra-226 Au-198 I-131 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
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