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Nuclear Power Engineering

Nuclear Power Engineering
A radioactive isotope undergoes decay with respect to time following __________ law.

Logarithmic
Inverse square
Linear
Exponential

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Nuclear Power Engineering
Which of the following is not used as a moderator in nuclear reactor?

Beryllium
Boron hydride
Light water
Molten sodium

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Nuclear Power Engineering
Radioactivity of an isotope is expressed in

Curie
Ergs
Barn
MeV

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Nuclear Power Engineering
In β-decay of radioactive material, the ratio of neutron to proton

Decreases
Is unpredictable; may increase or decrease
Increases
Remains same

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

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

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Nuclear Power Engineering
Which of the following may not need a control rod?

None of these
Fast breeder reactor
Candu reactor
Liquid metal cooled reactor

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