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In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be

A. Greater than 1.0

B. Less than 1.0

C. Equal to zero

D. Equal to 1.0

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  3. A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
  4. A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the…
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  6. The total energy released in fission of U is
  7. Breeder reactor has a conversion ratio of
  8. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
  9. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
  10. Solid fuel for nuclear reactions may be fabricated into various small shapes such as
  11. A pressurised water reactor employs pressurises for the following application
  12. Ideally the neutron flux in reactor should be
  13. Which of the following are ferrite materials?
  14. Enriched uranium is one in which
  15. The energy released during the fission of one atom of Uranium 235 in million electron volts is about
  16. The presence of reflector in nuclear power plants results in
  17. A nuclear fission produces energy of following order in MeV
  18. Boiling water reactor uses the following as moderator, coolant and working fluid
  19. Electron volt is the unit of
  20. The secondary fuel used in nuclear power plants is
  21. A fast breeder reactor uses
  22. Each fission of U₂₃₅ produces following number of fast neutrons per fission
  23. In nuclear fission
  24. In a fission process, maximum percentage of energy is released as
  25. A nuclear unit becoming critical means
  26. The process by which a heavy nucleus is spitted into two light nuclei is known as
  27. The predominant isotope of the naturally occuring element is
  28. The material most commonly used for shielding is
  29. A fission chain reaction in uranium can be developed
  30. Plutonium (Pu239) is produced