The following present serious difficulty in designing reactor shield

A. Alpha particles

B. Beta particles

C. Thermal neutrons

D. Fast neutrons and gamma rays

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  1. The mass number of a substance represents the sum of total number of
  2. The presence of reflector in nuclear power plants results in
  3. Which of the following nuclear reactor does not need a heat exchanger for generation of steam?
  4. A moderator generally used in nuclear power plants is
  5. Electron volt is the unit of
  6. A fast breeder reactor
  7. Which of the following particles is the lightest?
  8. A nuclear reactor is said to be critical when the neutron population in the reactor core is
  9. Plutonium is produced
  10. Which of the following is more appropriate for a moderator? One which
  11. In nuclear fission each neutron that causes fission releases
  12. Ferrite material is
  13. A fission chain reaction in uranium can be developed by
  14. The size of the reactor is said to be critical when
  15. Which is not identical for an atom and an isotope?
  16. Effective moderators are those materials which contain
  17. The fast breeder reactor uses the following moderator
  18. In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio…
  19. Breeder reactor has a conversion ratio of
  20. Which of the following is the primary fuel?
  21. Breeder reactors employ liquid metal coolant because it
  22. A pressurised water reactor employs pressurises for the following application
  23. The predominant isotope of the naturally occuring element is
  24. In the breeder reactors the generation of new fissionable atom is
  25. Natural uranium is made up of
  26. The energy produced by a thermal reactor of same size as a breeder reactor is
  27. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
  28. A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to
  29. U235 will undergo fission by
  30. When a reactor becomes critical, then the production of neutrons is