Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. HF Both B & C H₂S SO₂ HF Both B & C H₂S SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Aerobic oxidation Neither A nor B Using the activities of bacteria and other micro organisms Both A & B Aerobic oxidation Neither A nor B Using the activities of bacteria and other micro organisms Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 1500-2500 90-120 5-10 1-2 1500-2500 90-120 5-10 ANSWER DOWNLOAD EXAMIANS APP