Related Questions

Coolant used in a boiling water reactor is
A Hydrogen gas
B Water
C Steam
D A mixture of water & steam
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 distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
A Cracking
B Fractional distillation
C Full distillation
D Carbonisation
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
A High neutron absorption cross-section
B Low moderating efficiency
C High neutron scatter cross-section
D Low neutron absorption cross-section
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
'Light water' used as a coolant in nuclear reactor is nothing but
A Ordinary water
B Mildly acidic (pH = 6) water
C Mildly alkaline (pH = 8) water
D None of these
Coolant present in the primary circuit of a pressurised water reactor is high pressure
A Sub cooled water
B Saturated water
C Superheated steam
D Saturated steam
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
Coolant used in a fast breeder reactor is
A Molten sodium
B Heavy water
C Ordinary water
D Helium
__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section.
A Nitrogen
B Hydrogen
C Helium
D Carbon dioxide

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