A. acts as good moderator
B. produces maximum steam
C. transfers heat from core at a fast rate
D. breeds neutrons
E. increases rate of reaction in core

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Related Mcqs:

  1. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?
    A. same B. lower C. higher D. unity E. higher/lower depending on the size of reactor...
  2. In the breeder reactors the generation of new fissionable atom is_________________?
    A. at the lower rate than the consumption B. at a higher rate than the constuption C. at an equal rate of the consumption D. depends on other considerations E. unpredictable...
  3. Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal_________________?
    A. centrifugal B. axial C. reciprocation D. electromagnetic E. diaphragm...
  4. Boiling water reactor uses the following as moderator, coolant and working fluid________________?
    A. ordinary fluid B. heavy water C. molten lead D. hydrogen gas E. none of the above...
  5. Hydrogen is preferred as better coolant in comparison to C02 because former_____________________?
    A. is lighter B. is inert C. has high specific heat D. is a good conductor E. all of the above...
  6. Which of the following can be used as a coolant in nuclear plant________________?
    A. light or heavy water B. molten lead C. carbon dioxide D. freon E. carbon tetrachloride...
  7. The coolant used in boiling water reactor is________________?
    A. Co2 B. pressurised water C. mixture of water and steam D. liquid metal E. mercury...
  8. Breeder reactor has a conversion ratio of_____________________?
    A. unity B. more than unity C. less than unity D. zero E. infinity...
  9. The fast breeder reactor uses the following moderator__________________?
    A. demineralised water B. carbon dioxide C. heavy water D. graphite E. no moderator is used...
  10. Pick up the wrong statement Fast breeder reactors__________________?
    A. operate at extremely high power densities. B. are liquid-metal cooled C. produce more fuel than they consume D. are unmoderated E. use water as coolant...
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