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

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

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Nuclear Power Engineering
Molten sodium (as a coolant in fast breeder reactor)

None of these
Is not at all corrosive, even at a higher temperature
Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water
Can't attain high temperature at normal pressure

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