Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals All of these Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals All of these 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 Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Neither A nor B Photosynthetic action of algae Natural aeration of water stream Both A & B Neither A nor B Photosynthetic action of algae Natural aeration of water stream Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 1000 25 0.1 100 1000 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Moderately Very extremely Extremely Highly Moderately Very extremely Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is H₂ CO CO₂ CH₄ H₂ CO CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
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