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
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 - In fast breeder reactors___________________?
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 - 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 - Pick up the wrong statement?
A. In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator.
B. Slow or thermal neutrons have energy of the order or 0.025 eV
C. Fast neutrons have energies above 1000 eV
D. Fast reactor uses moderator
E. Most serious drawback in using water as coolant in nuclear plants is its high vapour pressure - Breeder reactor has a conversion ratio of_____________________?
A. unity
B. more than unity
C. less than unity
D. zero
E. infinity - 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
