1. 1-99%
2. 1-25%
3. 1-50%
4. 1-75%
1-99\%
1. high energy (fast) neutrons alone
2. low energy (slow) neutrons alone
3. either fast or slow neutrons
4. medium energy neutrons
either fast or slow neutrons
1. high energy (fast) neutrons alone
2. low energy (slow) neutrons alone
3. either fast or slow neutrons
4. medium energy neutrons
high energy (fast) neutrons alone
1. regenerative reactor
2. fast breeder reactor
3. breeder reactor
4. boiling water reactor
regenerative reactor
1. is lighter
2. is inert
3. has high specific heat
4. is a good conductor
has high specific heat
1. 99.282% U238, 0.712% U235, 0.006% U234
2. 99.282% U235, 0.712% U238, 0.06%' U234
3. 99.282% U234, 0.712% U238, 0.006% U235
4. 99.282% U235, 0.712% U234, 0.006% U238
99.282\% U238, 0.712\% U235, 0.006\% U234
1. pressurized water
2. boiling water
3. gas cooled
4. liquid metal cooled
boiling water
1. as basic raw material
2. by neutron irradiation of Uz
3. by neutron irradiation of thorium
4. artificially
by neutron irradiation of Uz
1. atomic power
2. energy
3. voltage
4. radio activity
energy
1. In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator.
2. Slow or thermal neutrons have energy of the order or 0.025 eV
3. Fast neutrons have energies above 1000 eV
4. Fast reactor uses moderator
Fast reactor uses moderator