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Unformatted text preview: This is known as a scram . The nuclear chain reaction is also affected by the water in the core. All light water reactors (LWR) require the core be covered with water for the chain reaction to be allowed to continue. Therefore if there was an accident that resulted in loss of the water covering the core the reactor would scram. Control Rods Absorb Neutrons to Prevent Fissions Control Rods Withdrawn...
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- Spring '10