Environmental Engineering in CE Ozone is Impervious to ultra-violet rays A secondary pollutant Both B & C A primary pollutant Impervious to ultra-violet rays A secondary pollutant Both B & C A primary pollutant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Ferrous sulphate Hydrazine Alum Lime Ferrous sulphate Hydrazine Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Combustion Biomass burning Urea Trees Combustion Biomass burning Urea Trees ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. None of these Inorganic Organic Radioactive None of these Inorganic Organic Radioactive 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 Neither A nor B Both A & B Of increased diameter With greater number of blades Neither A nor B Both A & B Of increased diameter With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Electrostatic precipitators Wet scrubber Dust catcher Bag filter Electrostatic precipitators Wet scrubber Dust catcher Bag filter ANSWER DOWNLOAD EXAMIANS APP
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