Related Questions

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 heterogeneous reactor is the one, in which the moderator and the
A Coolant are different materials
B Coolant are present in different phases (e.g., heavy water and graphite)
C Fuel are present in different phases (e.g. uranium and heavy water)
D None of these
Which of the following may not need a moderator?
A Candu Reactor
B Fast Breeder Reactor
C Homogeneous Reactor
D none of the mentioned
Which of the following is used as a moderator in nuclear reactor?
A Thorium
B Graphite
C Radium
D Ordinary water
Which of the following is not used as a moderator in nuclear reactor?
A Molten sodium
B Light water
C Beryllium
D Boron hydride
Which set of materials is used as a moderator in nuclear reactor?
A Zircalloy & berrylium
B Zircalloy & heavy water
C Zirconium & berrylium
D Heavy water & berrylium
Boiling water reactor uses the following as moderator, coolant and working fluid
A Ordinary fluid
B Heavy water
C Molten lead
D Hydrogen gas
The fast breeder reactor uses the following moderator
A Demineralised water
B Carbon dioxide
C Heavy water
D No moderator is used
__________ moderator is used in a fast breeder reactor.
A Heavy water
B Graphite
C No
D Beryllium
In boiling water reactor, moderator is
A Coolant itself
B Ferrite rod
C Graphite rod
D Liquid sodium metal

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