Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Filtration Coagulation Anion exchanger Preheating it Filtration Coagulation Anion exchanger Preheating it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Petroleum refinery Thermal power plant Nitric acid plant Sulphuric acid plant Petroleum refinery Thermal power plant Nitric acid plant Sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Increased transportation activity All of these Deforestation Rapid industrialisation Increased transportation activity All of these Deforestation Rapid industrialisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation Incineration Composting None of these Biological oxidation Incineration Composting None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 1-2 150-300 2000-3000 5-10 1-2 150-300 2000-3000 ANSWER DOWNLOAD EXAMIANS APP
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