Environmental Engineering in CE Which of the following is the most severe air pollutant? Hydrocarbons CO SO₂ NOx Hydrocarbons CO SO₂ NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by All of these Increased transportation activity Rapid industrialisation Deforestation All of these Increased transportation activity Rapid industrialisation Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Water-borne disease Scale formation Corrosion Dental cavities Water-borne disease Scale formation Corrosion Dental cavities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Ozone All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP