Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of___________________?
Correct answer: B. Steel
- A. Concrete
- B. Steel
- C. Zircaloy
- D. Graphite
Explanation
A steel thermal shield is placed inside high-powered reactors to absorb radiation and heat, protecting the reactor walls or vessel from damage. Concrete is mainly used as an external biological shield.
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