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A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is

A. Same

B. More

C. Less

D. There is no such criterion

Correct Answer : B.


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  2. The most practical fuel for a thermonuclear reactor, both from economical and nuclear consideration…
  3. Boiling water reactor uses the following as moderator, coolant and working fluid
  4. Hydrogen is preferred as better coolant in comparison to CO₂ because former
  5. The total energy released in fission of U is
  6. The nuclear energy is measured as
  7. Which of the following is the primary fuel?
  8. The material most commonly used for shielding is
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  10. Superheated steam is generated in following reactor
  11. U233 is produced
  12. Each fission of U₂₃₅ produces on the average _________ fast neutrons as a product…
  13. A reactor capable of converting a ferrite material into fissile isotopes is called
  14. Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel,…
  15. Artificial radioactive isotopes find application in
  16. Reactors designed for propulsion applications are designed for
  17. Reactors for propulsion applications are designed for
  18. The energy produced by a thermal reactor of same size as a breeder reactor is
  19. Effective moderators are those materials which contain
  20. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
  21. The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to…
  22. Which of the following are ferrite materials?
  23. A moderator
  24. A nuclear reactor is said to be critical when the neutron population in the reactor core is
  25. The control rods in the control system of nuclear reactors are used to
  26. The commonly used material for shielding is
  27. Fast breeder reactor uses
  28. The following present serious difficulty in designing reactor shield
  29. Plutonium (Pu239) is produced
  30. A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to