Which of the following may not need a moderator ?
Correct answer: A. Fast breeder reactor
- A. Fast breeder reactor
- B. Candu reactor
- C. Homogeneous reactor
- D. Pressurised water reactor
Explanation
Fast breeder reactors use fast neutrons to sustain fission and breed fissile material, so they deliberately avoid a moderator. CANDU, homogeneous, and pressurised-water reactors use moderated neutron spectra.
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