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Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

A. High neutron absorption cross-section

B. Low moderating efficiency

C. High neutron scatter cross-section

D. Low neutron absorption cross-section

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  1. A reactor capable of converting a ferrite material into fissile isotopes is called
  2. The main interest of shielding in nuclear reactor is protection against
  3. In triggering fission, which types of neutrons are more effective?
  4. The fast breeder reactor uses the following moderator
  5. The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to…
  6. The following present serious difficulty in designing reactor shield
  7. The energy produced by a thermal reactor of same size as a breeder reactor is
  8. A moderator generally used in nuclear power plants is
  9. Gas cooled reactor uses following materials as moderator, and coolant
  10. Which is not identical for an atom and an isotope?
  11. Which of the following is more appropriate for a moderator? One which
  12. Which of the following statement is correct regarding the features of a Breeder reactor?
  13. In boiling water reactor, moderator is
  14. A nuclear reactor is said to be critical when the neutron population in the reactor core is
  15. The secondary fuel used in nuclear power plants is
  16. The presence of reflector in nuclear power plants results in
  17. Ideally the neutron flux in reactor should be
  18. Pressurised water reactor is designed
  19. The material most commonly used for shielding is
  20. The predominant isotope of the naturally occuring element is
  21. A fast breeder reactor uses following as fuel
  22. In the breeder reactors the generation of new fissionable atom is
  23. Plutonium is produced
  24. The size of the reactor is said to be critical when
  25. Hydrogen is preferred as better coolant in comparison to CO₂ because former
  26. Enriched uranium may contain fissionable contents of the order of
  27. The commonly used material for shielding is
  28. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and…
  29. A nuclear unit becoming critical means
  30. When a reactor becomes critical, then the production of neutrons is