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Nuclear Power Engineering

Nuclear Power Engineering
The time required for half of the __________ of a radioactive isotope to decay is called its half life.

Electrons
Neutrons
Nuclei
Protons

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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
4
2
3

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Nuclear Power Engineering
Moderating material used in a thermal-reactor should be a

None of these
Solid substance
Poor absorber of neutrons
Good absorber of neutrons

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Nuclear Power Engineering
Hydrogen bomb employs the nuclear fusion of

Helium
Hydrogen
Deuterium
Tritium

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Nuclear Power Engineering
Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

Either more or less
More than
Equal to
Less than

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Nuclear Power Engineering
Extraction of uranium from its ore is done using __________ methods.

Electrometallurgical
Chemical
Pyrometallurgical
Physical beneficiation

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