down functions on office computers. 45. You are asked to walk around your plant and measure the efficiency of the compressed air systems at your facility. Which P2 stage would this fall under? A. Implement strategies B. Generate alternatives C. Evaluate alternatives D. Waste audit 46. Enriching uraniunm A. is required to make fuel for light-water reactors. increases the8U/23SU ratio. C. is a method to extract yellowcake from uranium ore. D. is required to make fuel for CANDU reactors. 47. The moderator in nuclear reactors A. functions only to shut-down or throttle the nuclear reaction in times of surplus baseload generation. B. can be light water if natural (non-enriched) uranium is used as the fuel C. slows down high energy neutrons so that they have a lower probability of causing fission. D. is heavy water in CANDU reactors. 48. Which of the following is NOT true about spent nuclear reactor fuel? A.It can be reprocessed to extract plutonium. B.If piled together, critical mass will be obtained and it will explode. C.It must be isolated from the environment for tens of thousands of years. D.It is stored in ‘swimming pools’ at the reactor site until it is cool enough for dry storage. 49. Which of the following is NOT one of the inherent safety features of a C ANDU reactor? A. solid graphite moderator B. online refueling C. vacuum containment building D. cadmium rods
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