Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Smoke Fumes Aerosols Mists Smoke Fumes Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Acceleration of corrosion rates of metals Reduction in strength of leather & cloth Increased drying & hardening time of paints All of these Acceleration of corrosion rates of metals Reduction in strength of leather & cloth Increased drying & hardening time of paints All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg NOx F SO₂ Hg NOx F SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes 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
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Persistent foam Explosion hazards Fire hazards Depletion of dissolved oxygen Persistent foam Explosion hazards Fire hazards Depletion of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP