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Nuclear Power Plants - Interview Questions and Answers

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51. Breeder reactors employ liquid metal coolant because it
A. acts as good moderator
B. produces maximum steam
C. transfers heat from core at a fast rate
D. breeds neutrons
E. increases rate of reaction in core.
Explanation:
52. Which of the following is more appropriate for a moderator. One which
A. does not absorb neutrons
B. absorbs neutrons
C. accelerates neutrons
D. eats up neutrons
E. regenerates neutrons.
Explanation:
53. When a reactor becomes critical, then the production of neutrons is
A. infinite
B. zero
C. exactly balanced by the loss of neutrons through leakage
D. initiated
E. stopped.
Explanation:
54. Effective moderators are those materials which contain
A. light weight atoms
B. heavy weight atoms
C. critical atoms
D. zero weight atoms
E. there is no such criterion.
Explanation:
55. For economical operation of a nuclear plant
A. used fuel should be reprocessed
B. moderator should be used
C. coolant should be employed
D. control rods should be used
E. reflector should be used.
Explanation:
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