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Nuclear Power Engineering

Nuclear Power Engineering
The half life period of a radioactive element depends on its

Pressure
Amount
Temperature
None of these

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Nuclear Power Engineering
Uranium percentage in monazite sand is about

0.25
1.2
7
0.01

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Nuclear Power Engineering
Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?

Pressurised water
Molten sodium cooled
Boiling water
CO₂ gas cooled

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

0.2
7
35
50

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Nuclear Power Engineering
Which of the following is the most harmful for the human being?

X-rays
Β-rays
Ultra violet rays
Γ-rays

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

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

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