Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 1 to 2 9 to 10 15 to 20 4 to 5 1 to 2 9 to 10 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Radioactive substances Inorganic pollutants None of these Natural organic products Radioactive substances Inorganic pollutants None of these Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Global warming Ionosphere Green house Atmospheric effect Global warming Ionosphere Green house Atmospheric effect 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? Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is Phosphate Mercury None of these Brine Phosphate Mercury None of these Brine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CO₂ CH₄ CO N₂ CO₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
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