Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Phosphoric acid plant Chloro-alkali industry Beverage plant Tanneries Phosphoric acid plant Chloro-alkali industry Beverage plant Tanneries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Coagulation Cation exchanger Irradiation of water by ultraviolet light Chlorine Coagulation Cation exchanger Irradiation of water by ultraviolet light Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Hydrogen Acetylene Carbon monoxide Petrol vapor Hydrogen Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Ion exchange process Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Iron Silica Coal None of these Iron Silica Coal None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Aggregates Smoke Aerosols Grit Aggregates Smoke Aerosols ANSWER DOWNLOAD EXAMIANS APP
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