Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 19 82 1 7 19 82 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sedimentation tanks Oxidation ponds Clarifier Sludge digester Sedimentation tanks Oxidation ponds Clarifier Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Rapid industrialisation Increased transportation activity Deforestation All of these Rapid industrialisation Increased transportation activity Deforestation All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Alum (aluminium sulphate) Ferric chloride Sodium aluminate Lime Alum (aluminium sulphate) Ferric chloride Sodium aluminate Lime 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'? Dust & mists Smoke & fumes Photochemical smog & soot None of these Dust & mists Smoke & fumes Photochemical smog & soot None of these ANSWER DOWNLOAD EXAMIANS APP