A thermal nuclear reactor compared to a fast breeder reactor ?
Correct answer: D. Uses slower neutrons for fission
- A. Requires less fuel to run at the same power level
- B. Uses faster neutrons for fission
- C. Gives higher power density
- D. Uses slower neutrons for fission
Explanation
A thermal reactor uses a moderator to slow neutrons, because slow neutrons have a higher probability of causing fission in fuels such as uranium-235. Fast breeder reactors instead rely mainly on fast neutrons and are designed to produce more fissile fuel.
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