Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Carbonate Sulphate Choride Calcium Carbonate Sulphate Choride Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Filtration Lagoons Biological oxygen pond Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Filtration Lagoons Biological oxygen pond Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) 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 (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 250 5 500 100 250 5 500 100 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