Nuclear Power Engineering
Uranium is recovered from its ore (pitchblende) by

Dissolving in water
Froth floatation technique
Leaching with sulphuric acid
Smelting in a furnace

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Nuclear Power Engineering
An ideal coolant for a nuclear reactor should

Be a good absorber of neutrons
Be free from radiation damage and non-corrosive
Have high density, but low heat transfer co-efficient
Be capable of attaining high temperature, only when it is pressurised

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