Which of the following components of a nuclear power plant can be raised and lowered within the core?

A. The core does not contain movable parts.
B. The water in the reaction tanks.
C. The control rods or moderators.
D. The uranium pellets themselves.



Answer :

Final answer:

The control rods or moderators are components in a nuclear power plant that can be raised and lowered within the core to control nuclear reactions effectively.


Explanation:

The control rods or moderators are the components of a nuclear power plant that can be raised and lowered within the core.

The control rods help control the nuclear reactions by absorbing neutrons, while the moderators slow down the neutrons to facilitate the fission process.

This movement of the control rods and moderators is crucial in regulating the nuclear reactions and maintaining the stability of the reactor.


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