Alpha particles
Beta particles
Thermal neutrons
Fast neutrons and gamma rays
D. Fast neutrons and gamma rays
Artificially
By fission of Th₂₃₂
When U₂₃₈ is irradiated by neutrons
As basic raw material
Plutonium
Uranium
Deuterium
Thorium
Stable under nuclear radiation
Corrosion resistant
Good thermal conductor
All of these
High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Either fast or slow neutrons
Medium energy neutrons
Return the neutrons back into the core
Shield the radioactivity completely
Check pollution
Conserve energy
2.46
24.6
246
2460
Operate at extremely high power densities.
Are liquid metal cooled
Produce more fuel than they consume
Use water as coolant
The most fissionable material
The basic fuel for nuclear paints
Basic raw material for nuclear plants
The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
No new neutron
At least one new neutron
One new neutron
More than one new neutron
Carbon
Lead
Concrete
All of these
Light or heavy water
Molten lead
Carbon dioxide
Freon
Natural uranium
Molten lead
Any form of uranium
Thorium
Enriched uranium
Plutonium
Thorium
U
U₂₃₄
U₂₃₅
U₂₃₈
All of these
Is lighter
Is inert
Has high specific heat
Is a good conductor
Acts as good moderator
Produces maximum steam
Transfers heat from core at a fast rate
Breeds neutrons
Control temperature
Control radioactive pollution
Control absorption of neutron
Control fuel consumption
Absorb excess neutrons
Control fuel consumption
Control temperature
All of these
MeV
Curie
Farads
MW
Splitting
Fission
Fusion
Disintegration
U₂₃₅
U₂₃₈
Pu₂₃₉
Pu₂₃₃
Boiler
Direct cycle of coolant system
Double circuit system of coolant cycle
Multi passes system
Reduce temperature
Extract heat from nuclear reaction
Control the reaction
Cause collision with the fast moving neutrons to reduce their speed
In a heterogeneous or solid fuel reactor, the fuel is mixed in a regular pattern within moderator.
Slow or thermal neutrons have energy of the order or 0.025 eV
Fast neutrons have energies above 1000 eV
Fast reactor uses moderator
Fast moving
Slow moving
Critical neutrons
Neutrons at rest
Does not absorb neutrons
Absorbs neutrons
Accelerates neutrons
Eats up neutrons
U₂₃₃ and Pu₂₂₉
U₂₃₁ and Pu₂₃₃
U₂₃₅ and Pu₂₃₅
U₂₃₈ and Pu₂₃₉
Electron volt
Electron ampere
Curie
MV
By increasing the contents of U₂₃₅
By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron
Both (A) and (B)
None of these
Steam power plant
Gas turbine power plant
Hydro electric power plant
Nuclear power plant