| 1. | There are hot spots for the control rods, cooling pumps and valves.
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| 2. | All the control rods were removed, and the coolant flow was halted.
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| 3. | Weren't the control rods inserted in the case of the current accident?
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| 4. | The four outer control rods weren't even used in the smaller core.
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| 5. | Nuclear applications of boron carbide include shielding, control rods and shut-down pellets.
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| 6. | The neutron absorbing 135 Xe acts like a control rod, reducing reactivity.
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| 7. | The control rods were made of thick cadmium, clad with of aluminum.
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| 8. | Control rod drives rusted, and rapid shutdowns failed to operate correctly.
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| 9. | Nuclear applications of boron carbide include shielding, control rod and shut down pellets.
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| 10. | The reactor core held up to 368 fuel assemblies and 89 control rods.
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