Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Alum Activated carbon Copper sulphate Bleaching powder Alum Activated carbon Copper sulphate Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Filtration Both B and C Digestion Sedimentation Filtration Both B and C Digestion Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Oxidation Dehydration Reduction Fermentation Oxidation Dehydration Reduction Fermentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Aerobic Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is NO Hydrocarbons CO CO₂ NO Hydrocarbons CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
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