Biological shield in a nuclear reactor is generally provided to protect against the__________________?
Correct answer: C. Gamma rays & neutrons
- A. α-rays
- B. β-rays
- C. Gamma rays & neutrons
- D. Electrons
Explanation
A reactor’s biological shield is designed mainly to attenuate highly penetrating gamma radiation and neutrons. Alpha and beta particles have much shorter ranges and are stopped by relatively thin materials.
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