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Nuclear Power Engineering

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

43894
43836
4
3

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Nuclear Power Engineering
Positron is a/an

Electron with positive charge
Nucleus with one proton and one neutron
Nucleus having two protons
Helium nucleus

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Nuclear Power Engineering
The half life period of a radioactive element depends upon the

Temperature
Amount of element present
Pressure
None of these

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Nuclear Power Engineering
Nuclear fuel complex, Hyderabad is engaged in the job of

Treatment of spent fuel
Processing of uranium ore
Manufacture of nuclear fuel elements/assemblies
None of these

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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
Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.

3 x 10¹¹
1
2200
9 x 10²¹

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