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Nuclear Power Engineering

Nuclear Power Engineering
The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

43834
43846
43838
43832

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Nuclear Power Engineering
The ratio of volume of an atom to that of its nucleus is

10⁻⁸
10⁸
10⁻¹²
10¹²

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Nuclear Power Engineering
Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.

U-238
Pu-239
U-235
U-233

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Nuclear Power Engineering
Percentage of the heavy water in ordi water is around

0.015
0.71
32.97
7.54

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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
Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of

Molybdenum
Zircalloy
Boron or cadmium
High carbon steel

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