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Nuclear Power Engineering

Nuclear Power Engineering
A pressurised water reactor (PWR) uses pressurised water as a

Coolant
Working fluid in power turbine
Moderator
None of these

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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.

Nitrogen
Hydrogen
Carbon dioxide
Helium

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Nuclear Power Engineering
Which one is radioactive in nature?

Tritium
Deuterium
Heavy hydrogen
Helium

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

14.4 T
0.144 T
1.44 T
2T

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Nuclear Power Engineering
Hydrogen has __________ isotopes.

Two
One
No
Three

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Nuclear Power Engineering
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

1100
3300
2200
4400

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