Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Increased drying & hardening time of paints Acceleration of corrosion rates of metals Reduction in strength of leather & cloth All of these Increased drying & hardening time of paints Acceleration of corrosion rates of metals Reduction in strength of leather & cloth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO CH₄ CO₂ H₂ CO CH₄ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 0.05 6.5 1 15 0.05 6.5 1 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in All of these Decrease in food productivity Cyclone Flood All of these Decrease in food productivity Cyclone Flood ANSWER DOWNLOAD EXAMIANS APP
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