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Do nuclear reactors have critical mass?

Updated: 3/25/2020
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6y ago

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We know that critical mass can be achieved in a nuclear reactor. If it could not, we'd not be able to get a chain reaction and generate heat to generate power. Reactors don't have critical mass when the control rods are in, but pull the rods, start the reactor up and away you go!

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6y ago
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6y ago

A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction. So by definition if you have critical mass in a functioning nuclear reactor.

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