Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 5 2000 100 1000 5 2000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Cancer Bone decay Anemia Asphyxiation (suffocation) Cancer Bone decay Anemia Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? CO SO₂ H₂S Hydrocarbons CO SO₂ H₂S Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Highly acidic Neutral Alkaline Acidic Highly acidic Neutral Alkaline Acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Aeration Sterilisation None of these Disinfection Aeration Sterilisation None of these Disinfection ANSWER DOWNLOAD EXAMIANS APP
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 Ultraviolet light for irradiation of water Chlorine or its compounds All of these Ozone and iodine Ultraviolet light for irradiation of water Chlorine or its compounds All of these Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
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