Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 0.1 25 1 5 0.1 25 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Combination of all A, B & C Positively charged Neutral Negatively charged Combination of all A, B & C Positively charged Neutral Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Asbestos Hydrogen sulphide Mercury Cadmium Asbestos Hydrogen sulphide Mercury Cadmium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Disinfection Coagulation Sedimentation Filtration Disinfection Coagulation Sedimentation Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 20 1 5 10 20 1 5 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. H₂S Both B & C SO₂ HF H₂S Both B & C SO₂ HF ANSWER DOWNLOAD EXAMIANS APP
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