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 Benzene hexachloride Alkyl benzene sulphonate (ABS) Chlorine Alkalis Benzene hexachloride Alkyl benzene sulphonate (ABS) Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Both B and C Catalytic conversion Global warming Green house effect Both B and C Catalytic conversion Global warming Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Biological oxygen pond Lagoons Filtration Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Lagoons Filtration Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ CO N₂ CO₂ CH₄ CO N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CFC (chloro fluoro carbon) SO₂ CO₂ Hydrocarbons CFC (chloro fluoro carbon) SO₂ CO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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