Reactors for propulsion applications use

A. Natural uranium

B. Molten lead

C. Any form of uranium

D. Thorium

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  1. The energy produced by a thermal reactor of same size as a breeder reactor is
  2. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
  3. The primary fuel used in nuclear power plants is
  4. Which of the following is the primary fuel?
  5. A fast breeder reactor
  6. The size of the reactor is said to be critical when
  7. The total energy released in fission of U is
  8. Artificial radioactive isotopes find application in
  9. The most commonly used moderator in nuclear plants is
  10. When a reactor becomes critical, then the production of neutrons is
  11. The predominant isotope of the naturally occuring element is
  12. A fast breeder reactor uses following as fuel
  13. The process by which a heavy nucleus is spitted into two light nuclei is known as
  14. Gas cooled reactor uses following materials as moderator, and coolant
  15. Breeder reactor has a conversion ratio of
  16. Natural uranium is made up of
  17. Plutonium is produced
  18. In nuclear fission each neutron that causes fission releases
  19. The coolant used in boiling water reactor is
  20. A nuclear fission produces energy of following order in MeV
  21. The unit of radioactivity is
  22. A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
  23. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
  24. The nuclear energy is measured as
  25. The energy released during the fission of one atom of Uranium 235 in million electron volts is about
  26. The main interest of shielding in nuclear reactor is protection against
  27. U235 will undergo fission by
  28. Which of the following nuclear reactor does not need a heat exchanger for generation of steam?
  29. In the breeder reactors the generation of new fissionable atom is
  30. A fission chain reaction in uranium can be developed by