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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.

4
43894
43836
3

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Nuclear Power Engineering
Pressure of CO₂ gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm² .

7
35
50
0.2

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Nuclear Power Engineering
Which is the most commonly used molten metal for cooling of nuclear reactors?

Sodium
Zinc
Calcium
Mercury

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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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Nuclear Power Engineering
The size of an atom is of the order of one

Mm
Fermi
Micron
°Angstrom

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Nuclear Power Engineering
The radioisotope used to study the thyroid gland is

Cobalt
Carbon
Iodine
Iron

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