Wednesday 19 April 2017

Multiple Choice Questions on Environmental Engineering

1. Iron & manganese present in the polluted water is removed by
4. The amount of chemical coagulant added for treatment of polluted water ________ with increase in temperature of the polluted water to be treated 
5. Pick out the %Tong statement
9. Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
10. Thermal pollution of water increases its toxicit and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of _________ present in it










2 comments:

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