Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 3000 (i.e. 0.3%) 1000 500 50 3000 (i.e. 0.3%) 1000 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 0.1 to 1 3 to 6 10 to 15 15 to 20 0.1 to 1 3 to 6 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan With greater number of blades Both A & B Neither A nor B Of increased diameter With greater number of blades Both A & B Neither A nor B Of increased diameter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) Arizona (U.S.A.) Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) Arizona (U.S.A.) Pensylvania (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Reduction in its dissolved oxygen content Temporary hardness Discoloration of bathroom fixtures None of these Reduction in its dissolved oxygen content Temporary hardness Discoloration of bathroom fixtures None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Electrolytic decomposition Adsorption Ion exchange technique Reverse osmosis Electrolytic decomposition Adsorption Ion exchange technique Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP