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The size of the reactor is said to be critical when

A. Chain reaction can be initiated

B. It becomes uncontrollable

C. It explodes

D. It produces no power

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  1. Which of the following is the primary fuel?
  2. Moderator in nuclear plants is used to
  3. U235 will undergo fission by
  4. Pick up the wrong statement
  5. In triggering fission, the following types of neutrons are desirable
  6. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is
  7. The following present serious difficulty in designing reactor shield
  8. The total energy released in fission of U is
  9. U₂₃₃ is produced
  10. The process by which a heavy nucleus is spitted into two light nuclei is known as
  11. Amongst the following, the fissionable materials are
  12. Nuclear reactors are used
  13. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
  14. Hydrogen is preferred as better coolant in comparison to CO₂ because former
  15. The nuclear energy is measured as
  16. A boiling water reactor uses following as fuel
  17. Atomic number of an element in the periodic table represents the numbers of
  18. Which of the following nuclear reactor does not need a heat exchanger for generation of steam?
  19. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
  20. When a reactor becomes critical, then the production of neutrons is
  21. A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the…
  22. The mass number of a substance represents the sum of total number of
  23. In nuclear fission
  24. Enriched uranium is one in which
  25. Reflector in nuclear plants is used to
  26. Natural uranium is made up of
  27. A moderator
  28. A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to
  29. Plutonium (Pu239) is produced
  30. In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio…