A reactor critical at 200 watts has 175 pcm of negative reactivity is added. Xeff for the reactor is 0.059 sec¹ and the effective delayed neutron fraction is 0.0075. 1. Calculate the steady state period and startup rate. 2. Calculate the power level 14 minutes after the reactivity insertion.

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Q: The C14 with an activity of 10 Ci is in a 1.0 mm thick lead box. Calculate the number of beta…

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