Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 120 75 140 95 120 75 140 95 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 Petroleum refinery Food industry Municipal sewage treatment Iron & steel plant Petroleum refinery Food industry Municipal sewage treatment Iron & steel plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Protein Salts of metals Carbohydrates Fats Protein Salts of metals Carbohydrates Fats ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Temporary hardness Iron and manganese Foul smell and taste Permanent hardness Temporary hardness Iron and manganese Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁻⁷ 10⁷ 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ 10⁷ 7 x 10⁷ 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
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