Power Plant Engineering
fission chain reaction in uranium can be developed by

Accelerating fast neutrons
Slowing down fast neutrons so that Uz fission continues by slow motion neutrons
Absorbing all neutrons
Using moderator

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Power Plant Engineering
In nuclear fission

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

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Power Plant Engineering
A pressurized water reactor employs pressurizes for the following application

To increase pressure of water in primary circuit
To maintain constant pressure in primary circuit under varying load
To Supply high pressure steam
To provide sub cooled water at high pressure

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