Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Ferrous sulphate Lime Alum Hydrazine Ferrous sulphate Lime Alum Hydrazine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Cancer Dermatitis (skin disorder) Asphyxiation (suffocation) Asthma Cancer Dermatitis (skin disorder) Asphyxiation (suffocation) Asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Grey Red Dark brown Black Grey Red Dark brown Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? SO₂ CO₂ NO₂ CO SO₂ CO₂ NO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of Hydrocarbons SO₂ CO₂ CFC (chloro fluoro carbon) Hydrocarbons SO₂ CO₂ CFC (chloro fluoro carbon) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 20 400 100 200 20 400 100 200 ANSWER DOWNLOAD EXAMIANS APP
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