A. Co2
B. pressurised water
C. mixture of water and steam
D. liquid metal
E. mercury

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Related Mcqs:

  1. 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...
  2. 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...
  3. Boiling water reactor employs__________________?
    A. boiler B. direct cycle of coolant system C. double circuit system of coolant cycle D. multi pass system E. single circuit system...
  4. In boiling water reactor, moderator is__________________?
    A. coolant itself B. ferrite rod C. graphite rod D. liquid sodium metal E. blanket of thorium...
  5. A boiling water reactor uses following as fuel________________?
    A. enriched uranium B. plutonium C. thorium D. U E. natural uranium....
  6. The energy produced by a thermal reactor of same size as a breeder reactor is__________________?
    A. almost same B. slightly more C. slightly less D. much less E. much more....
  7. 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...
  8. 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...
  9. Breeder reactors employ liquid metal coolant because it_______________?
    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...
  10. Pressurised water reactor is designed________________?
    A. for boiling pi water in the core B. to use liquid sodium metal as coolant C. to use intermediate coolant D. to prevent the water coolant from boiling in the core E. to eliminate the coolant loop of the pressurised water...
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