Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Asphyxiation (suffocation) Shortness of breath Tuberculosis All of these Asphyxiation (suffocation) Shortness of breath Tuberculosis All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 100 ppm 700 ppm 50 ppm 300 ppm 100 ppm 700 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Causes increase in sea level Causes asphyxia Acts as a green house gas thereby raising earth's temperature Inhances the green house effect Causes increase in sea level Causes asphyxia Acts as a green house gas thereby raising earth's temperature Inhances the green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers ANSWER DOWNLOAD EXAMIANS APP
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