Power Plant Engineering
A fission chain reaction in uranium can be developed by

Accelerating fast neutrons
Absorbing all neutrons
Slowing down fast neutrons so that Uz fission continues by slow motion neutrons
Using moderator

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Power Plant Engineering
Pick up the wrong statement

Fast neutrons have energies above 1000 eV
Slow or thermal neutrons have energy of the order or 0.025 eV
In a heterogeneous or solid fuel reactor, the fuel is mixed in a regular pattern within moderator
Fast reactor uses moderator

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