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

Both (A) and (B)
By increasing the contents of U₂₃₅
By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron
None of these

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Power Plant Engineering
Enriched uranium is one in which

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

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