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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.

Protons
Nuclei
Electrons
Neutrons

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Nuclear Power Engineering
Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?

Molten sodium cooled
CO₂ gas cooled
Pressurised water
Boiling water

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Nuclear Power Engineering
Which of the following ores contains maximum percentage of uranium?

Pitchblende
Carnotite
Thorium
Rescolite

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Nuclear Power Engineering
What is the average life of a radioactive atom having a 'half life period' of T?

14.4 T
1.44 T
0.144 T
2T

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Nuclear Power Engineering
The atomic number of an element is equal to the number of __________ present in its atom.

Either B or C
Protons
Electrons
Neutrons

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Nuclear Power Engineering
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

10000
159
1837
2537

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