1. Carcinogenic air pollutants cause
2. TLV of ozone (O3) and phosgene (COCl2) in air is __________ ppm.
3. Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called
4. World's worst radioactive pollution was caused by nuclear reactor disaster which occured in
5. Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes
6. The term Biological Oxygen Demand (BOD) is used in relation to
7. Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by
8. Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in
9. Main pollutants released from petroleum refineries is
10. Which is the most practical and economical method for removal of suspended solid matter from polluted water?
Read More Section(Environmental Engineering in CE)
Each Section contains maximum 100 MCQs question on Environmental Engineering in CE. To get more questions visit other sections.