Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Ultrafiltration Chemical coagulation Centrifugation Floatation & skimming Ultrafiltration Chemical coagulation Centrifugation Floatation & skimming 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 (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Cooling water Potable water Industrial effluents Distilled water Cooling water Potable water Industrial effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 357 1097 0.5 17 357 1097 0.5 17 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ SO₂ & SO₃ CO NH₃ NO₂ SO₂ & SO₃ CO NH₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (ii) and (iii) (i) and (ii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
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