Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Nitric acid plant Thermal power plant Petroleum refinery Sulphuric acid plant Nitric acid plant Thermal power plant Petroleum refinery Sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Oxidation Dehydration Reduction Fermentation Oxidation Dehydration Reduction Fermentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Both A & B 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 1 5 0.1 0.001 1 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 1.8 13.4 7.3 6.2 1.8 13.4 7.3 6.2 ANSWER DOWNLOAD EXAMIANS APP
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