Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Nervousness & fatigue All of these Hearing loss Rupture of ear drum Nervousness & fatigue All of these Hearing loss Rupture of ear drum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere None of these Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.01 1 0.1 4 0.01 1 0.1 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of April December February July April December February July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP