Environmental Engineering in CE 5-200 μm size particles are called Powder Colloids or aerosols Smoke Dust Powder Colloids or aerosols Smoke Dust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Reduction in strength of leather & cloth All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints Reduction in strength of leather & cloth All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Chlorination Sedimentation Biological oxidation Skimming off Chlorination Sedimentation Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO CO₂ CH₄ N₂ CO CO₂ CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is Mercury Phosphate Brine None of these Mercury Phosphate Brine None of these ANSWER DOWNLOAD EXAMIANS APP
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