Environmental Engineering in CE Which is a secondary air pollutant? Dust particles Nitrogen dioxide Sulphur dioxide Photochemical smog Dust particles Nitrogen dioxide Sulphur dioxide Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 200 2000 10 1000 200 2000 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Neither A nor B Reynold stresses Shear forces Both A & B Neither A nor B Reynold stresses Shear forces Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration ANSWER DOWNLOAD EXAMIANS APP
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