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
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Copper sulphate Lime Sodium sulphate Hydrochloric acid Copper sulphate Lime Sodium sulphate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Settling out using chemical reagents Biological oxidation Chlorination Skimming off Settling out using chemical reagents Biological oxidation Chlorination Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Ammonia Hydrogen Acetylene Carbon monoxide Ammonia Hydrogen Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Bone decay Asphyxiation (suffocation) Anemia Cancer Bone decay Asphyxiation (suffocation) Anemia Cancer ANSWER DOWNLOAD EXAMIANS APP
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