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Mechanical Engineering Objective Questions { Nuclear Power Plants }



57. The process by which a heavy nucleus is splitted into two light nuclei is known as
A.Splitting
B.Fission
C.Fusion
D.Disintegration

58. Boiling water reactor employs
A.Boiler
B.Direct cycle of coolant system
C.Double circuit system of coolant cycle
D.Multi pass system

59. Which of the following are ferrite materials
A.U233 and Pu239
B.U238 and Th232
C.U238 and Pu239
D.U238 and Th239

60. In boiling water reactor, moderator is
A.Coolant itself
B.Ferrite rod
C.Graphite rod
D.Liquid sodium metal

61. Boiling water reactor uses the following as moderator, coolant and working fluid
A.Ordinary fluid
B.Heavy water
C.Molten lead
D.Hydrogen gas

62. The most practical fuel for a thermonuclear reactor, both from economical and nuclear consideration is
A.Plutonium
B.Uranium
C.Deuterium
D.Thorium

63. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is
A.Same
B.Lower
C.Higher
D.Unity

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