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Nuclear Power Engineering

Nuclear Power Engineering
Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to

10⁻²⁴ cm²
1 Angstrom
10⁻²⁴ cm
10⁻¹² cm

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Nuclear Power Engineering
Enriched uranium means that, it contains

No impurities
Only fertile material
More than 0.71% of U-235
Only fissile material

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Nuclear Power Engineering
Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is

235
92
200
3

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Nuclear Power Engineering
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?

H₂
CO₂
He
N₂

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Nuclear Power Engineering
Hydrogen bomb employs the nuclear fusion of

Hydrogen
Helium
Tritium
Deuterium

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Nuclear Power Engineering
Which is used as a coolant in nuclear reactor due to its high capture cross-section?

H₂
N₂
He
CO₂

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