The unit of radioactivity is

A. Electron volt

B. Electron ampere

C. Curie


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  1. When a reactor becomes critical, then the production of neutrons is
  2. Fast breeder reactor uses
  3. Boiling water reactor uses the following as moderator, coolant and working fluid
  4. Which of the following is the primary fuel?
  5. A moderator generally used in nuclear power plants is
  6. In fast breeder reactors
  7. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
  8. Boiling water reactor employs
  9. Effective moderators are those materials which contain
  10. The size of the reactor is said to be critical when
  11. A pressurised water reactor employs pressurises for the following application
  12. In nuclear fission
  13. Atomic number of an element in the periodic table represents the numbers of
  14. The material most commonly used for shielding is
  15. A fast breeder reactor
  16. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is
  17. Enriched uranium may contain fissionable contents of the order of
  18. A nuclear reactor is said to be critical when the neutron population in the reactor core is
  19. The nuclear energy is measured as
  20. A nuclear fission produces energy of following order in MeV
  21. Ideally the neutron flux in reactor should be
  22. Uranium has isotopes
  23. Plutonium (Pu₂₃₉) is produced
  24. The secondary fuel used in nuclear power plants is
  25. The nuclear radiators produced in a reactor which must be shielded are
  26. Which of the following nuclear reactor does not need a heat exchanger for generation of steam?
  27. In the breeder reactors the generation of new fissionable atom is
  28. The primary fuel used in nuclear power plants is
  29. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
  30. The fast breeder reactor uses the following moderator