Power Plant Engineering
Pick up the wrong statement

Fast reactor uses moderator
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

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Power Plant Engineering
Enriched uranium is one in which

Percentage of U has been artificially increased
Extra energy is pumped from outside
Percentage of U₂₃₅ has been artificially increased
Percentage of U₂₃₄ has been artificially increased

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Power Plant Engineering
In nuclear fission

The molecules rearrange themselves to form other molecules
None of the listed here
The original elements change into completely different elements
The electrons of the element change

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