Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Ozone and iodine Ultraviolet light for irradiation of water All of these Chlorine or its compounds Ozone and iodine Ultraviolet light for irradiation of water All of these Chlorine or its compounds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 10 1 3.5 0.5 10 1 3.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon dioxide Toluene Acetaldehyde Carbon disulphide Carbon dioxide Toluene Acetaldehyde Carbon disulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons CO SO₂ H₂S Hydrocarbons CO SO₂ H₂S 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 Ra-226 Sr-90 Au-198 I-131 Ra-226 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing None of these Foodstuffs Metallic powder Woolen clothes None of these Foodstuffs Metallic powder Woolen clothes ANSWER DOWNLOAD EXAMIANS APP
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