Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Dental cavities Water-borne disease Scale formation Corrosion Dental cavities Water-borne disease Scale formation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Silicosis Skin diseases (e.g. dermatities) Blurred vision Respirtory ailments (e.g. bronchitis) Silicosis Skin diseases (e.g. dermatities) Blurred vision Respirtory ailments (e.g. bronchitis) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 1500 20 230 750 1500 20 230 ANSWER DOWNLOAD EXAMIANS APP
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? Au-198 I-131 Sr-90 Ra-226 Au-198 I-131 Sr-90 Ra-226 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.3 0.1 0.01 1 0.3 0.1 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
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