Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Iron & zinc Acidity Hardness Alkalinity Iron & zinc Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis None of these Bronchitis Silicosis Pneumoconiosis None of these Bronchitis Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Ozone Pesticides Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders 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 (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Urea Trees Biomass burning Combustion Urea Trees Biomass burning Combustion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 7 20 1 3 7 20 1 3 ANSWER DOWNLOAD EXAMIANS APP
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