Power Plant Engineering
Which of the following nuclear reactor does not need a heat exchanger for generation of steam?

Gas cooled
Boiling water
Liquid metal cooled
Pressurised water

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Power Plant Engineering
In nuclear fission

None of the listed here
The molecules rearrange themselves to form other molecules
The original elements change into completely different elements
The electrons of the element change

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Power Plant Engineering
A nuclear unit becoming critical means

Chain reaction that causes automatic splitting of the fuel nuclei has been established
There is danger of nuclear spread
It is capable of generating much more than rated capacity
It is generating power to rated capacity

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