A. Dilution with inert material
B. Discharging to atmosphere through tall stacks after dilution
C. Disposing off in rivers & oceans
D. Filling in steel crates and shooting it off out of earth’s gravity
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Related Mcqs:
- What are the methods of treatment & disposal of radioactive wastes ?
- A. Evaporation & chemical precipitation B. Biological methods & adsorption in ion exchange materials C. Fixing into a solid mass with cement and sinking deep in the sea D. All A., B. & C....
- Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters ?
- A. I-131 B. Sr-90 C. Au-198 D. Ra-226...
- Which is the most practical and economical method for removal of suspended solid matter from polluted water ?
- A. Sedimentation B. Skimming off C. Chlorination D. Biological oxidation...
- World’s worst radioactive pollution was caused by nuclear reactor disaster which occured in ___________________?
- A. Arizona (U.S.A.) B. Chernobyl (undivided U.S.S.R.) C. Pennsylvania (U.S.A.) D. Moscow (U.S.S.R.)...
- Radioactive substances present in the polluted water stream can be removed by_________________?
- A. Biological oxygen treatment B. Coagulation and filtration C. Adsorption in ion exchange materials D. None of these...
- Radioactive solid nuclear wastes are disposed off by _________________?
- A. High temperature incineration B. Pathological incineration C. Pyrolysis D. Underground burial in concrete containers...
- Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal ?
- A. By chemical coagulation B. In sedimentation tanks equipped with mechanical scrapper C. In vacuum filter D. In clarifiers...
- Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?
- A. Biological oxygen pond B. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) C. Lagoons D. Filtration...
- Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes_______________?
- A. Foaming B. Odour nuisances C. Undesirable plant growth D. Turbidity...
- TLV of lead for public sewer/waste water is about ______________ ppm?
- A. 1 B. 25 C. 150 D. 650...
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