Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Dermatitis (skin disorder) Asthma Asphyxiation (suffocation) Cancer Dermatitis (skin disorder) Asthma Asphyxiation (suffocation) Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Iron & steel plant Municipal sewage treatment Petroleum refinery Food industry Iron & steel plant Municipal sewage treatment Petroleum refinery Food industry ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? Hydrocarbons SO₂ NOx CO Hydrocarbons SO₂ NOx CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ ANSWER DOWNLOAD EXAMIANS APP
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