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Nuclear Power Engineering

Nuclear Power Engineering
The time required for half of the __________ of a radioactive isotope to decay is called its half life.

Nuclei
Neutrons
Protons
Electrons

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Nuclear Power Engineering
Ceramic nuclear metals compared to solid nuclear metals have

More chances of radiation damage
Higher melting points
Poorer corrosion resistance
Low strength at high temperature

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Nuclear Power Engineering
The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is

2
4
0.5
1

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Nuclear Power Engineering
In a homogeneous nuclear reactor, the __________ are mixed together.

None of these
Fuel & moderato
Fuel & coolant
Coolant & moderator

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Nuclear Power Engineering
Radioactive decay is a __________ change.

Nuclear
Physical
None of these
Chemical

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Nuclear Power Engineering
Radioactivity of an isotope is expressed in

Curie
Barn
Ergs
MeV

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