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? I-131 Ra-226 Sr-90 Au-198 I-131 Ra-226 Sr-90 Au-198 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics All of these Suspended solids Heavy metals and cynides Soluble and toxic organics All of these Suspended solids Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is H₂ CH₄ CO₂ CO H₂ CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 20 70 85 40 20 70 85 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad odour Bad taste & colour Turbidity Disease Bad odour Bad taste & colour Turbidity Disease ANSWER DOWNLOAD EXAMIANS APP
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