| 1. | This gasket seals the primary coolant passage within the timing chain case.
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| 2. | Alternative designs use lead instead of sodium as the primary coolant.
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| 3. | Each cell also contains a letdown valve that controls the primary coolant pressure.
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| 4. | By contrast, in a boiling water reactor the primary coolant is designed to boil.
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| 5. | The primary coolant in the reactors is carbon dioxide gas.
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| 6. | Carbon Dioxide gas used as a primary coolant is streamed around the fuel rods.
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| 7. | WR-1, located at the oil as the primary coolant.
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| 8. | In fact, it is practical to route the primary coolant directly to power generation turbines.
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| 9. | The cooled primary coolant is then returned to the reactor vessel to be heated again.
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| 10. | The long containment vessel houses the pressurized-water reactor, the primary coolant loop and the steam generator.
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