Related Questions

The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is
A Same
B Lower
C Higher
D Unity
Molten sodium (as a coolant in fast breeder reactor)
A can't attain high temperature at normal pressure
B is not at all corrosive even at a higher temperature
C is highly radioactive at elevated temperature & can cause explosion when it comes in contact with air or water
D none of these
Molten sodium is used as a coolant in a fast breeder reactor, because of its
A Excellent moderating properties
B Neutron breeding capability
C Faster heat removal capability from the core
D Capability to increase the reaction rate in the core
Coolant used in a fast breeder reactor is
A Molten sodium
B Heavy water
C Ordinary water
D Helium
Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for
A Achieving high degree of superheat in the steam
B Faster heat removal rate from the core
C Lowering the coolant circulation pressure
D Avoiding the mixing of water with radioactive sodium, as it may cause explosion
A thermal nuclear reactor compared to a fast breeder reactor
A Uses slower neutrons for fission
B Uses faster neutrons for fission
C Gives higher power density
D Requires less fuel to run at the same power level
The type of pump used for the recirculation of molten sodium coolant in liquid metal cooled reactor is a/an __________ pump.
A Electromagnetic
B Reciprocating
C Centrifugal
D Volute
Liquid metal (e.g, . molten sodium) is preferred as a coolant in case of a/an __________ reactor.
A Homogeneous
B Graphite moderated
C Fast breeder
D Enriched uranium (3% U-235) fuelled
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
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

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