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Nuclear Power Engineering

Nuclear Power Engineering
Percentage of U-238 in natural uranium is around

29.71
0.71
0.015
99.29

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Nuclear Power Engineering
Pressure of CO₂ gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm² .

7
50
0.2
35

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Nuclear Power Engineering
A heterogeneous reactor is the one, in which the moderator and the

Coolant are different materials
Coolant are present in different phases (e.g., heavy water and graphite)
Fuel are present in different phases (e.g. uranium and heavy water)
None of these

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Nuclear Power Engineering
Heavy water (D₂O) in a nuclear reactor serves as a

Coolant
Moderator
Neutron absorber
Both A & B

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Nuclear Power Engineering
Heavy water is preferred over ordinary water as a coolant, because it.

Acts both as an efficient coolant as well as a moderator
Can be heated to a higher temperature without pressurizing
All of these
Is less prone to radiation damage

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Nuclear Power Engineering
The half life period of a radioactive element depends upon the

Amount of element present
None of these
Pressure
Temperature

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