Fast breeder reactors do not____________________?
Correct answer: D. Use Th-232 as fissile fuel
- A. Use molten sodium as coolant
- B. Convert fertile material to fissile material
- C. Use fast neutrons for fission
- D. Use Th-232 as fissile fuel
Explanation
Thorium-232 is fertile rather than fissile, so it cannot normally sustain fission directly with thermal or fast neutrons; it must first breed uranium-233. Fast breeder reactors do convert fertile material, use fast neutrons, and commonly use liquid sodium coolant.
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