If a Control Rod Is Pulled Rapidly Out of a Nuclear

question 44

Multiple Choice

If a control rod is pulled rapidly out of a nuclear reactor core, what controls the response time (how fast the power level increases) ?

• A)the speed at which the rod can be removed
• B)the speed at which neutrons are captured
• C)the rate at which delayed neutrons from beta decay of fission fragments are emitted
• D)the rate at which the coolant circulates in the core
• E)the time between when a neutron is captured and when the nucleus actually fissions

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