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The mass number of a substance represents the sum of total number of

A. Protons and neutrons in an atom

B. Protons and electrons in an atom

C. Neutrons and electrons in an atom

D. Protons and neutrons in a nucleus

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  1. A moderator
  2. In boiling water reactor, moderator is
  3. A nuclear fission produces energy of following order in MeV
  4. Breeder reactors employ liquid metal coolant because it
  5. Breeder reactor has a conversion ratio of
  6. A boiling water reactor uses following as fuel
  7. Gas cooled reactor uses following materials as moderator, and coolant
  8. The energy produced by a thermal reactor of same size as a breeder reactor is
  9. Plutonium is produced
  10. Amongst the following, the fissionable materials are
  11. Reactors for propulsion applications are designed for
  12. The energy required to be applied to a radioactive nucleus for the emission of a neutron is
  13. Solid fuel for nuclear reactions may be fabricated into various small shapes such as
  14. Pick up the wrong statement
  15. The secondary fuel used in nuclear power plants is
  16. Boiling water reactor employs
  17. Which of the following is the primary fuel?
  18. Atomic number of an element in the periodic table represents the numbers of
  19. Ideally the neutron flux in reactor should be
  20. The process by which a heavy nucleus is spitted into two light nuclei is known as
  21. A fission chain reaction in uranium can be developed by
  22. The function of control rods in nuclear plants is to
  23. U233 is produced
  24. The risk of radioactive hazard is greatest in the turbine with following reactor
  25. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and…
  26. The presence of reflector in nuclear power plants results in
  27. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
  28. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is
  29. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is
  30. U235 will undergo fission by