Artificially
When U238 is irradiated by neutrons
By fission of Th232
As basic raw material
B. When U238 is irradiated by neutrons
90% U₂₃₅
U₂₃₈
U₂₃₅
Pu₂₃₉
Artificially
As basic raw material
When thorium is irradiated by neutrons
By fission of U₂₃₈
Boiler
Direct cycle of coolant system
Double circuit system of coolant cycle
Multi passes system
Any form of uranium
Natural uranium
Enriched uranium
Plutonium
Belt conveyor
Bucket conveyor
Fork lift truck
Overhead crane
To produce heat for thermoelectric power
To produce fissionable material
To propel ships, submarines, aircrafts
All of these
Any type of moderator can be used
Graphite is used as the moderator
Heavy water is used as the moderator
Moderator is dispensed with.
High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Either fast or slow neutrons
Medium energy neutrons
Pressurised water
Boiling water
Gas cooled
Liquid metal cooled
Same
Lower
Higher
Unity
Acts as good moderator
Produces maximum steam
Transfers heat from core at a fast rate
Breeds neutrons
Electron volt
Electron ampere
Curie
MV
Is lighter
Is inert
Has high specific heat
Is a good conductor
Mass number
Atomic number
Chemical properties
Position in periodic table
Plutonium
Uranium
Deuterium
Thorium
Protons in the nucleus
Electrons in the nucleus
Neutrons in the nucleus
Electrons in the atom
As basic raw material
By neutron irradiation of Uz
By neutron irradiation of thorium
Artificially
CO2
Pressurised water
Mixture of water and steam
Liquid metal
Coolant itself
Ferrite rod
Graphite rod
Liquid sodium metal
U₂₃₃ and Pu₂₃₉
U₂₃₅ and Th₂₃₂
U₂₃₅ and Pu₂₃₈
U₂₃₃ and Pu₂₃₈
1-99 %
1-25 %
1-50 %
1-75 %
High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Either fast or slow neutrons
Medium energy neutrons
Boiler
Direct cycle of coolant system
Double circuit system of coolant cycle
Multi passes system
Natural uranium
Enriched uranium
Pure uranium
Any type of uranium
100
200
300
400
Rapidly increasing leading to the point of explosion
Decreasing from the specified value
Reduced to zero
Constant
Plates
Pallets
Pins
Any one of the above
U₂₃₄
U₂₃₅
U₂₃₈
All of these
Heavy water
Concrete and bricks
Graphite and concrete
Graphite
U₂₃₃
U
U₂₃₈
Pu