A reactor is loaded with 90,000 kg of U at 3 w/o 2350. It operates for a year at 75% of its rated 3000 MWt capacity. (a) Apply the rule of thumb 1.3 g/MWt-day to find the consumption of 2350. What is the final enrichment of the fuel? (b) If instead one third of the energy came from plutonium, what would the final 2350 enrichment be? Note thermal cross sections, all in barns: 2350 0; = 586, 0 = 95; 239 Pu 0 = 752, = 270