| 206. |
Energetic neutrons
are slowed down to thermal neutrons in a nuclear reactor by
|
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A. |
cyclotrons |
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Cyclotrons
are used to accelerate charged particles. |
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B. |
control rods |
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Control
rods absorb neutrons. They are used to start up, shut down,
and fine control the rate of the nuclear reactor. |
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C. |
moderators |
|
Moderators
slow energetic neutrons down to form thermal neutrons.
The Correct Answer is C. |
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D. |
fuel rods |
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Fuel
rods contain the fissionable fuel. The fission takes place inside
the fuel rods. |
