Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Dust & mists Photochemical smog & soot Smoke & fumes None of these Dust & mists Photochemical smog & soot Smoke & fumes None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 40 80 10 20 40 80 10 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Global warming Both B and C Catalytic conversion Green house effect Global warming Both B and C Catalytic conversion ANSWER DOWNLOAD EXAMIANS APP
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 Shortness of breath Tuberculosis Asphyxiation (suffocation) All of these Shortness of breath Tuberculosis Asphyxiation (suffocation) All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 0.1 100 25 1000 0.1 100 25 1000 ANSWER DOWNLOAD EXAMIANS APP