Nuclear Power Engineering
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous

Uranium carbide
Uranium hexaflouride
Uranium sulphate
Uranium oxide

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Nuclear Power Engineering
Commercial power generation from fusion reactor is not yet possible, because

Quantity of fuel required for initiating fusion reaction is prohibitively high
It is difficult to control fusion reaction
It is difficult to initiate fusion reaction
The fuel required (e.g. deuterium and tritium) is scarce

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Nuclear Power Engineering
Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for

Lowering the coolant circulation pressure
Achieving high degree of superheat in the steam
Faster heat removal rate from the core
Avoiding the mixing of water with radioactive sodium, as it may cause explosion

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