Protons and neutrons in an atom
Protons and electrons in an atom
Neutrons and electrons in an atom
Protons and neutrons in a nucleus
D. Protons and neutrons in a nucleus
Kinetic energy of neutrons
Kinetic energy of fission products
Instantaneous release of gamma rays
Gradual radioactive decay of fission products
Light or heavy water
Molten lead
Carbon dioxide
Freon
2.46
24.6
246
2460
U₂₃₃ and Pu₂₂₉
U₂₃₁ and Pu₂₃₃
U₂₃₅ and Pu₂₃₅
U₂₃₈ and Pu₂₃₉
Higher cost of nuclear fuel
High initial cost
High heat rejection in condenser
Lower temperature and pressure conditions
Light weight atoms
Heavy weight atoms
Critical atoms
Zero weight atoms
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
Plates
Pallets
Pins
Any one of the above
Electrons
Protons
Neutrons
Atom
At the lower rate than the consumption
At a higher rate than the consumption
At an equal rate of the consumption
Depends on other considerations
Almost same
Slightly more
Slightly less
Much less
Atomic power
Energy
Voltage
Radio activity
Belt conveyor
Bucket conveyor
Fork lift truck
Overhead crane
5 MeV
10 MeV
199 MeV
168 MeV
Carbon
Lead
Concrete
All of these
More
Less
Same
Zero
Same
More
Less
There is no such criterion
Control temperature
Control radioactive pollution
Control absorption of neutron
Control fuel consumption
Centrifugal
Axial
Reciprocation
Electromagnetic
No new neutron
At least one new neutron
One new neutron
More than one new neutron
Ordinary fluid
Heavy water
Molten lead
Hydrogen gas
Fast moving
Slow moving
Critical neutrons
Neutrons at rest
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
Nucleus
Electron
Proton
Meson
U₂₃₃
U
U₂₃₈
Pu
1-99 %
1-25 %
1-50 %
1-75 %
Boiler
Direct cycle of coolant system
Double circuit system of coolant cycle
Multi passes system
Enriched uranium
Plutonium
Thorium
U
1 tonne of high grade coal
4.5 tonnes of high grade coal
10 tonnes of high grade coal
100 tonnes of high grade coal
U₂₃₃ and Pu₂₃₉
U₂₃₅ and Th₂₃₂
U₂₃₅ and Pu₂₃₈
U₂₃₃ and Pu₂₃₈