A. graphite, C02
B. graphite, air
C. heavy water, C02
D. lead, H2
E. concrete, N2
Advertisement
Related Mcqs:
- 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...
- In boiling water reactor, moderator is__________________?
- A. coolant itself B. ferrite rod C. graphite rod D. liquid sodium metal E. blanket of thorium...
- 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...
- The fast breeder reactor uses the following moderator__________________?
- A. demineralised water B. carbon dioxide C. heavy water D. graphite E. no moderator is used...
- A fast breeder reactor uses following as fuel_________________?
- A. enriched uranium B. plutonium C. thorium D. U235 E. natrual uranium...
- A boiling water reactor uses following as fuel________________?
- A. enriched uranium B. plutonium C. thorium D. U E. natural uranium....
- 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...
- 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....
- Which of the following is more appropriate for a moderator. One which_________________?
- A. does not absorb neutrons B. absorbs neutrons C. accelerates neutrons D. eats up neutrons E. regenerates neutrons...
- Moderator in nuclear plants is used to__________________?
- A. reduce temperature B. extract heat from nuclear reaction C. control the reaction D. cause collision with the fast moving neutrons to reduce their speed E. moderate the radioactive pollution...
Advertisement