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Nuclear Power Engineering

Nuclear Power Engineering
The ratio of atomic radius to its nuclear radius is about

10⁸
10¹²
10¹⁵
10⁵

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Nuclear Power Engineering
Graphite is used in nuclear reactor as

Retarder of neutron velocity
Fuel
Lubricant
Insulation lining of the reactor

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Nuclear Power Engineering
Enriched uranium means that, it contains

No impurities
Only fissile material
More than 0.71% of U-235
Only fertile material

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Nuclear Power Engineering
The atomic mass of an element is fractional, because

It may have isobars
It contains neutrons
It may have isotopes
Of uncertainty principle

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Nuclear Power Engineering
Artificially produced radioactive isotopes are used for

Treatment of certain diseases
All of these
Initiating nuclear fission and fusion
Power generation

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Nuclear Power Engineering
The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.

1/2
1/16
1/4
1/8

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