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Nuclear Power Engineering

Nuclear Power Engineering
Which of the following nuclear materials is fissile?

Uranium⁻²38
Plutonium⁻²39
None of these
Thorium⁻²32

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Nuclear Power Engineering
Extraction of uranium from its ore is done by __________ method.

Electrometallurgical
Pyrometallurgical
Physical beneficiation
Chemical

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Nuclear Power Engineering
Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.

0.71
99.29
6.31
12.73

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Nuclear Power Engineering
The decrease in the atomic number is not observed in case of

Electron capture
Positron emission
Β-emission
Α-emission

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Nuclear Power Engineering
75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.

43894
4
3
43836

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Nuclear Power Engineering
Coolant used in a fast breeder reactor is

Molten sodium
Helium
Ordinary water
Heavy water

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