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

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

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Power Plant Engineering
Pick up the wrong statement

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

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