U₂₃₄ = 0.006%, U₂₃₅ = 0.712% and U₂₃₈ = 99.282%
U₂₃₄ = 0.712%, U₂₃₅ = 0.006% and U₂₃₈ = 99.282%
U₂₃₄ = 99.282%, U₂₃₅ = 0.006% and U₂₃₈ = 0.712%
U₂₃₄ = 0.006%, U₂₃₅ = 99.282% and U₂₃₈ = 0.712%
A. U₂₃₄ = 0.006%, U₂₃₅ = 0.712% and U₂₃₈ = 99.282%
U₂₃₃ and Pu₂₃₉
U
U₂₃₈ and Pu₂₃₉
U₂₃₈ and Th₂₃₉
Natural uranium
Molten lead
Any form of uranium
Thorium
Return the neutrons back into the core
Shield the radioactivity completely
Check pollution
Conserve energy
Plutonium
Uranium
Deuterium
Thorium
Light or heavy water
Molten lead
Carbon dioxide
Freon
Acts as good moderator
Produces maximum steam
Transfers heat from core at a fast rate
Breeds neutrons
Belt conveyor
Bucket conveyor
Fork lift truck
Overhead crane
U₂₃₃
U
U₂₃₈
Pu
Steam power plant
Gas turbine power plant
Hydro electric power plant
Nuclear power plant
Percentage of U₂₃₅ has been artificially increased
Percentage of U has been artificially increased
Percentage of U₂₃₄ has been artificially increased
Extra energy is pumped from outside
Does not absorb neutrons
Absorbs neutrons
Accelerates neutrons
Eats up neutrons
Kinetic energy of neutrons
Kinetic energy of fission products
Instantaneous release of gamma rays
Gradual radioactive decay of fission products
Stable under nuclear radiation
Corrosion resistant
Good thermal conductor
All of these
Reduce temperature
Extract heat from nuclear reaction
Control the reaction
Cause collision with the fast moving neutrons to reduce their speed
Control temperature
Control radioactive pollution
Control absorption of neutron
Control fuel consumption
Electrons
Protons
Neutrons
Atom
Enriched uranium
Plutonium
Thorium
U₂₃₅
Centrifugal
Axial
Reciprocation
Electromagnetic
High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Either fast or slow neutrons
Medium energy neutrons
The original elements change into completely different elements
The electrons of the element change
The molecules rearrange themselves to form other molecules
None of the above
Light weight atoms
Heavy weight atoms
Critical atoms
Zero weight atoms
Almost same
Slightly more
Slightly less
Much less
Plates
Pallets
Pins
Any one of the above
Higher cost of nuclear fuel
High initial cost
High heat rejection in condenser
Lower temperature and pressure conditions
As basic raw material
By neutron irradiation of Uz
By neutron irradiation of thorium
Artificially
High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Either fast or slow neutrons
Medium energy neutrons
Neutron
Proton
Atom
Electron
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
Rapidly increasing leading to the point of explosion
Decreasing from the specified value
Reduced to zero
Constant
90% U₂₃₅
U₂₃₈
U₂₃₅
Pu₂₃₉