Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by High temperature incineration Pyrolysis Underground burial in concrete containers Pathological incineration High temperature incineration Pyrolysis Underground burial in concrete containers Pathological incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Preheating of feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Preheating of feed water Keeping the pH value of feed water just below 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Neither A nor B Natural aeration of water stream Both A & B Photosynthetic action of algae Neither A nor B Natural aeration of water stream Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Forest fire Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter Forest fire Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 0.5 1097 357 17 0.5 1097 357 17 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides ANSWER DOWNLOAD EXAMIANS APP
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