Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Bog iron Limestone powder or alkalised alumina Silica gel Active carbon Bog iron Limestone powder or alkalised alumina Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Powder Smoke Colloids or aerosols Dust Powder Smoke Colloids or aerosols Dust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Neutral Positively charged Combination of all A, B & C Negatively charged Neutral Positively charged Combination of all A, B & C Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Respiratory disease (e.g., asthma) Reduced crop yield Silicosis Cancer Respiratory disease (e.g., asthma) Reduced crop yield Silicosis Cancer 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. Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic ANSWER DOWNLOAD EXAMIANS APP
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