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
The fast breeder reactor uses the following moderator
A Demineralised water
B Carbon dioxide
C Heavy water
D No moderator is used
Heavy water is used as a moderator in a nuclear reactor. The function of the moderator is
A to control the energy released in the reactor
B to absorb neutrons and stop the chain reaction
C to cool the reactor
D to slow down the neutrons to thermal energy
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
Coolant used in a fast breeder reactor is
A Molten sodium
B Heavy water
C Ordinary water
D Helium
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
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
Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is
A Heavy water
B Graphite
C Carbon dioxide
D No moderator is needed
A fast breeder reactor
A Uses graphite rods as moderator
B Has powerful moderator
C Has no moderator
D Uses ferrite material as moderator
A fast breeder reactor uses
A 90% U235
B U238
C U235
D Pu239

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