Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? SO₃ CO₂ N₂ H₂ SO₃ CO₂ N₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? SO₂ Hg F NOx SO₂ Hg F NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Moscow (U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 80 84 88 92 80 84 88 92 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Hydrocyclone Electrostatic precipitator Gravity settling chamber Packed scrubber Hydrocyclone Electrostatic precipitator Gravity settling chamber Packed scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
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