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Nuclear Power Engineering

Nuclear Power Engineering
The largest stable nucleus is

Bi-209
U-238
U-235
Pb-206

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

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

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Nuclear Power Engineering
Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of

Molybdenum
Zircalloy
Boron or cadmium
High carbon steel

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Nuclear Power Engineering
Atoms of U-238 and U-235 differ in structure by three

Electrons and three protons
Electrons
Protons
Neutrons

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Nuclear Power Engineering
The atomic number of an element is equal to the number of __________ present in its atom.

Either B or C
Protons
Electrons
Neutrons

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Nuclear Power Engineering
The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235 , followed by nuclear fission is

1
3
4
2

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