Power Plant Engineering
Natural uranium is made up of

99.282% U₂₃₈, 0.712% U₂₃₅, 0.006% U₂₃₄
99.282% U₂₃₄, 0.712% U₂₃₈, 0.006% U₂₃₅
99.282% U₂₃₅, 0.712% U₂₃₈, 0.06%' U₂₃₄
99.282% U₂₃₅, 0.712% U₂₃₄, 0.006% U₂₃₈

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Power Plant Engineering
Pick up the wrong statement

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

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Power Plant Engineering
Isotopes of same elements have

Same chemical properties but different atomic numbers
Different chemical properties and same atomic numbers
Same atomic number and different masses
Different masses and different atomic numbers

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