A fission chain reaction in uranium can be developed

A. By increasing the contents of U₂₃₅

B. By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron

C. Both (A) and (B)

D. None of these

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  1. Uranium has isotopes
  2. Boiling water reactor employs
  3. Which of the following is more appropriate for a moderator? One which
  4. Natural uranium is made up of
  5. Nuclear reactors are used
  6. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
  7. Reactors designed for propulsion applications are designed for
  8. Atomic number of an element in the periodic table represents the numbers of
  9. Isotopes of same elements have
  10. In boiling water reactor, moderator is
  11. The mass number of a substance represents the sum of total number of
  12. The energy released during the fission of one atom of Uranium 235 in million electron volts is about
  13. A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
  14. Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid…
  15. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
  16. Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel,…
  17. Which of the following are ferrite materials?
  18. Plutonium (Pu₂₃₉) is produced
  19. Superheated steam is generated in following reactor
  20. In triggering fission, the following types of neutrons are desirable
  21. Boiling water reactor uses the following as moderator, coolant and working fluid
  22. Solid fuel for nuclear reactions may be fabricated into various small shapes such as
  23. Moderator in nuclear plants is used to
  24. Fast breeder reactor uses
  25. Ferrite material is
  26. In fast breeder reactors
  27. Reactors for propulsion applications use
  28. One gram of uranium will produce energy equivalent to approximately
  29. The main interest of shielding in nuclear reactor is protection against
  30. U233 is produced