Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using None of these Accoustical absorbent Lagging of noisy duct Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct Mufflers (silencers) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Cancer Flourosis (bone disease) Asthma Silicosis Cancer Flourosis (bone disease) Asthma Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Forest fire Deforestation Volcanic eruption None of these Forest fire Deforestation Volcanic eruption None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Oil & fatty Dissolved solid Suspended solid Gritty & inorganic Oil & fatty Dissolved solid Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
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