Final Review Problems from Previous Final Exams

Final Review Problems from Previous Final Exams - PHYSICS 6...

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1 PHYSICS 6 REVIEW PROBLEMS SPRING 2005 I. Multiple choice -- circle the one best answer. 4) The common US commercial light water reactors use a) 235 U for fission b) 238 U for fission c) 239 Pu for fission d) graphite moderators e) all of the above 5) The functions of the water in a light water reactor include all but a) providing steam to drive the turbines b) slowing down the neutrons c) washing away radioactive waste d) cooling the core e) providing emergency cooling for the core 8) As a result of the Chernobyl accident the following was not true: a) Serious levels of delayed fallout ranged as far as Britain. b) The number of cancer deaths in the fallout area were expected to reach hundreds of thousands. c) The reactor was repaired and restarted. d) The reactor was encased in concrete and lead. e) Hundreds of thousands of residents in the local area were evacuated. __________________________________________________________ 2. A ball is dropped off the roof of a building. It hits the ground in 2 seconds.
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