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Nuclear Power Engineering

Nuclear Power Engineering
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?

CO₂
H₂
N₂
He

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Nuclear Power Engineering
Which one is the radioactive isotope of hydrogen?

None of these
Tritium
Deuterium
Ortho-hydrogen

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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.

2200
3 x 10¹¹
1
9 x 10²¹

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Nuclear Power Engineering
Extraction of uranium from its ore is done by __________ method.

Chemical
Electrometallurgical
Pyrometallurgical
Physical beneficiation

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Nuclear Power Engineering
First experimental observation of nuclear fission was done by

Rutherford
Plane
Fermi
Hahn and Strassman

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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.

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

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