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Nuclear Power Engineering

Nuclear Power Engineering
Out of the following, nucleus of __________ atom contains the largest number of neutrons.

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

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Nuclear Power Engineering
Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at

Alwaye (in Kerala)
Jadugoda (in Jharkhand)
Gopalpur coast (in Orissa)
Kalpakkam (in Tamilnadu)

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Nuclear Power Engineering
If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.

20
10
5
30

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Nuclear Power Engineering
How many atoms are present in one gm-atom of an element?

5 x 10⁵
6 x 10²³
5 x 10?
6 x 10³²
2 x 10²³

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Nuclear Power Engineering
__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section.

Helium
Hydrogen
Nitrogen
Carbon dioxide

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Nuclear Power Engineering
The atomic number of a radioactive element is not changed, when it emits __________ rays.

β
α
α & β
γ

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