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Nuclear Power Engineering

Nuclear Power Engineering
What is the average life of a radioactive atom having a 'half life period' of T?

1.44 T
2T
14.4 T
0.144 T

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Nuclear Power Engineering
Thermal shield is used in high powered nuclear reactors to

Absorb the fast neutrons
Slow down the secondary neutrons
Protect the fuel element from coming in contact with the coolant
Protect the walls of the reactor from radiation damage

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Nuclear Power Engineering
U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.

50
97
85
3

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Nuclear Power Engineering
Which one is different for the neutral atoms of the isotopes of an element?

Number of protons
Number of electrons
Atomic numbers
Atomic weights

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Nuclear Power Engineering
An element having large number of __________ is most easily subjected to nuclear fission.

Nucleons
Electrons
Protons
Neutrons

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Nuclear Power Engineering
__________ moderator is used in a fast breeder reactor.

Heavy water
No
Beryllium
Graphite

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