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nuclear engineering

2. Describe reactor control via the negative-reactivity feedback mechanism, and its importance. 3. The time it takes for a co
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2. The reactor will call negative reactivity when the mechanism is subcritical. Importance of this reactivity is only with respect to external reactivity and external feedback of the system.

3. True : The time it takes for a control rod to affect the neutron supply within a core is significantly less than the time required by a poison. There will be fast reaction when we attain neutron supply and reaction procedures.

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