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Nuclear Power Engineering

Nuclear Power Engineering
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

6
24
18
36

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Nuclear Power Engineering
The type of pump used for the recirculation of molten sodium coolant in liquid metal cooled reactor is a/an __________ pump.

Centrifugal
Reciprocating
Volute
Electromagnetic

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Nuclear Power Engineering
Which of the following types of nuclear reactors is most prone to radioactive hazards?

Pressurised water reactor
Gas cooled reactor
Molten sodium cooled reactor
Boiling water reactor

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Nuclear Power Engineering
Radioactive decay of a material involves a __________ order reaction.

First
Second
Third
Zero

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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
3
85
97

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Nuclear Power Engineering
'Light water' used as a coolant in nuclear reactor is nothing but

None of these
Ordinary water
Mildly acidic (pH = 6) water
Mildly alkaline (pH = 8) water

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