Exam-style question
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What is the purpose of control rods in a nuclear reactor?.
- A.To increase the temperature of the reactor.
- B.To absorb neutrons and regulate the fission reaction.
- C.To enhance the speed of the fission process.
- D.To provide structural support to the reactor.
Model answer
What a good answer should say
- To absorb neutrons and regulate the fission reaction.
Explanation
Why this works
Control rods are made of materials that absorb neutrons, allowing operators to control the rate of the fission reaction and maintain safety in the reactor.
Common mistake
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