A. any type of moderator can be used
B. graphite is used as the moderator
C. heavy water is used as the moderator
D. moderator may or may not be used
E. moderator is dispensed with
Related Mcqs:
- 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 - Fast breeder reactor uses___________________?
A. boiler
B. direct cycle of coolant system
C. double circuit system of coolant cycle
D. multi pass system
E. single circuit system - The fast breeder reactor uses the following moderator__________________?
A. demineralised water
B. carbon dioxide
C. heavy water
D. graphite
E. no moderator is used - 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 - A fast breeder reactor uses_______________?
A. 90% U-235
B. U-238
C. U-235
D. Pu-239
E. U-239 - A fast breeder reactor uses following as fuel_________________?
A. enriched uranium
B. plutonium
C. thorium
D. U235
E. natrual uranium - A fast breeder reactor__________________?
A. uses graphite rods as moderator
B. has powerful moderator
C. has no moderator
D. uses ferrite material as moderator
E. uses pressurised water as moderator - 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 - 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. - 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
