The predominant isotope of the naturally occuring element is

A. U₂₃₅

B. U₂₃₈

C. Pu₂₃₃

D. Pu₂₃₉

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  1. Uranium has isotopes
  2. In a fission process, maximum percentage of energy is released as
  3. A boiling water reactor uses following as fuel
  4. When a reactor becomes critical, then the production of neutrons is
  5. The total energy released in fission of U is
  6. Moderator in nuclear plants is used to
  7. Plutonium (Pu239) is produced
  8. Which of the following is more appropriate for a moderator? One which
  9. The function of control rods in nuclear plants is to
  10. Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel,…
  11. The material most commonly used for shielding is
  12. Isotopes of same elements have
  13. U233 is produced
  14. Atomic number of an element in the periodic table represents the numbers of
  15. The main interest of shielding in nuclear reactor is protection against
  16. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
  17. The following present serious difficulty in designing reactor shield
  18. Reactors for propulsion applications use
  19. Each fission of U₂₃₅ produces following number of fast neutrons per fission
  20. U238 will undergo fission by
  21. Ideally the neutron flux in reactor should be
  22. In nuclear fission each neutron that causes fission releases
  23. In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio…
  24. The most commonly used moderator in nuclear plants is
  25. The energy produced by a thermal reactor of same size as a breeder reactor is
  26. The predominant isotope of the naturally occuring element is
  27. Hydrogen is preferred as better coolant in comparison to CO₂ because former
  28. Plutonium is produced
  29. Natural uranium is made up of
  30. The energy required to be applied to a radioactive nucleus for the emission of a neutron is