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Nuclear Power Engineering

Nuclear Power Engineering
Radioactivity of an isotope is expressed in

MeV
Ergs
Barn
Curie

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Nuclear Power Engineering
Heat is generated in a nuclear reactor (thermal) by

Combustion of a nuclear fuel e.g. uranium
Fusion of atoms of uranium
Absorption of neutrons in uranium atoms
Fission of U-235 by neutrons

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Nuclear Power Engineering
Fission of U-235 on slow neutron bombardment can be represented by

92U235 + 0n1 → 56Ba143 + 36Kr90
92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
92U235 + 0n1 → 92U236 + 3 0n1+ Q (energy)
92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1

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Nuclear Power Engineering
The atomic mass of an element is fractional, because

It may have isotopes
Of uncertainty principle
It contains neutrons
It may have isobars

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Nuclear Power Engineering
Nucleus of tritium has __________ neutrons.

3
5
1
2

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Nuclear Power Engineering
Hydrogen has __________ isotopes.

One
No
Three
Two

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