OBJECTIVESDOE-HDBK-1019/2-93Reactor Theory (Reactor Operations)TERMINAL OBJECTIVE2.0Given the necessary information and equations, DESCRIBE how power changes in areactor that is near criticality.ENABLING OBJECTIVES2.1DEFINEthe following terms:a.Reactor periodb.Doubling timec.Reactor startup rate2.2DESCRIBEthe relationship between the delayed neutron fraction, average delayedneutron fraction, and effective delayed neutron fraction.2.3WRITEthe period equation and IDENTIFYeach symbol.2.4Given the reactivity of the core and values for the effective average delayed neutronfraction and decay constant, CALCULATE the reactor period and the startup rate.2.5Given the initial power level and either the doubling or halving time, CALCULATEthepower at any later time.2.6Given the initial power level and the reactor period, CALCULATEthe power at anylater time.2.7EXPLAINwhat is meant by the terms prompt drop and prompt jump.2.8DEFINEthe term prompt critical.2.9DESCRIBEreactor behavior during the prompt critical condition.2.10EXPLAINthe use of measuring reactivity in units of dollars.NP-04Rev. 0Page vi

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