The material most commonly used for shielding is

A. Carbon

B. Lead

C. Concrete

D. All of these

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  1. A nuclear fission produces energy of following order in MeV
  2. For economical operation of a nuclear plant
  3. The most commonly used moderator in nuclear plants is
  4. U₂₃₃ is produced
  5. Moderator in nuclear plants is used to
  6. In triggering fission, which types of neutrons are more effective?
  7. The predominant isotope of the naturally occuring element is
  8. Atomic number of an element in the periodic table represents the numbers of
  9. Which of the following is more appropriate for a moderator? One which
  10. The control rods in the control system of nuclear reactors are used to
  11. The nuclear energy is measured as
  12. A power plant giving least running cost of production of electrical power is
  13. A fission chain reaction in uranium can be developed by
  14. U235 will undergo fission by
  15. Breeder reactors employ liquid metal coolant because it
  16. The presence of reflector in nuclear power plants results in
  17. The commonly used material for shielding is
  18. In boiling water reactor, moderator is
  19. Which of the following are ferrite materials?
  20. Which of the following is the heaviest?
  21. The mass number of a substance represents the sum of total number of
  22. A fast breeder reactor uses
  23. A nuclear unit becoming critical means
  24. Which of the following is the primary fuel?
  25. Pick up the wrong statement
  26. Effective moderators are those materials which contain
  27. Reactors for propulsion applications use
  28. Ideally the neutron flux in reactor should be
  29. In a fission process, maximum percentage of energy is released as
  30. Superheated steam is generated in following reactor