Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Ortho-xylene Coal ash Potassium cyanide None of these Ortho-xylene Coal ash Potassium cyanide None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 2000 5000 50 1000 2000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Photochemical smog & soot Smoke & fumes Dust & mists None of these Photochemical smog & soot Smoke & fumes Dust & mists None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 7 1 3 20 7 1 3 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Deforestation Rapid industrialisation All of these Increased transportation activity Deforestation Rapid industrialisation All of these Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP
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