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Question
After a uranium fuel rod reaches the end of its fuel cycle (typically 3 years) most of its energy comes from the fissioning of plutonium becauseA) fissionable Pu-239 is formed as the U-238 absorbs neutrons from the fissioning U-235.
B) fissionable Pu-239 is formed as the U-235 absorbs neutrons from the fissioning U-238.
C) fissionable Pu-239 is formed as the U-238 absorbs alpha particles from the fissioning U-235.
D) fissionable Pu-239 is formed as the U-235 absorbs alpha particles from the fissioning U-238.
Answer
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