Thermal shield is used in high powered nuclear reactors to__________________?
Correct answer: C. Protect the walls of the reactor from radiation damage
- A. Slow down the secondary neutrons
- B. Absorb the fast neutrons
- C. Protect the walls of the reactor from radiation damage
- D. Protect the fuel element from coming in contact with the coolant
Explanation
A thermal shield absorbs and attenuates energy from reactor radiation, reducing irradiation and radiation damage to the reactor walls or pressure vessel. Neutron slowing is mainly the function of a moderator, not a thermal shield.
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