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. None of these Coal ash Ortho-xylene Potassium cyanide None of these Coal ash Ortho-xylene Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Both A & B Aerobic oxidation Using the activities of bacteria and other micro organisms Neither A nor B Both A & B Aerobic oxidation Using the activities of bacteria and other micro organisms ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 20 10 40 80 20 10 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Tuberculosis Asphyxiation (suffocation) Shortness of breath All of these Tuberculosis Asphyxiation (suffocation) Shortness of breath All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in 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.) Chernobyl (undivided U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
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