Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Sr-90 I-131 Au-198 Ra-226 Sr-90 I-131 Au-198 Ra-226 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Incineration None of these Composting Biological oxidation Incineration None of these Composting Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Asthma Cancer Silicosis Flourosis (bone disease) Asthma Cancer Silicosis Flourosis (bone disease) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 0.5 3.5 10 1 0.5 3.5 10 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ N₂ CO CO₂ CH₄ N₂ CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Sulphur dioxide Photochemical smog Ozone All of these Sulphur dioxide Photochemical smog Ozone ANSWER DOWNLOAD EXAMIANS APP
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