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Nuclear & Quantum Physics E.4 Nuclear Fission (id: 5fdd3001d)

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admin 发表于 2024-2-18 05:10:20 | 显示全部楼层 |阅读模式
本题目来源于试卷: Nuclear & Quantum Physics E.4 Nuclear Fission,类别为 IB物理学

[单选题]
Which of the following is incorrt,ml *jo4sw *yectly matches a component of 7 r3f:zczsgpx 1/j4en/ ig )vwtw-bc-a nuclear power plant wi7g/4w b1s-) c zecx-fr3wjnp :/zg vtith its function?

A. Component is Heat Exchanger ; Function is Prevents overheating
B. Component is Moderator ; Function is Slows down electrons
C. Component is Control rods ; Function is Absorbs neutrons
D. Component is Shielding ; Function is Prevents any leakage of radiation


参考答案:  B


本题详细解析:
Explanation:
Moderators slow down the speed of the neutrons (not electrons) so that they can be captured by nuclei of fuel and initiate further fission reactions.

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