Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Fats Carbohydrates Protein Salts of metals Fats Carbohydrates Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Lead Arsenic Mercury Aluminium Lead Arsenic Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Reverse osmosis Ion exchange technique Adsorption Electrolytic decomposition Reverse osmosis Ion exchange technique Adsorption Electrolytic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Rupture of ear drum Hearing loss All of these Nervousness & fatigue Rupture of ear drum Hearing loss All of these Nervousness & fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Benzopyrene Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Benzopyrene Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS