Question
Download Solution PDFWhich of the following is / are used as moderator (s) in nuclear reactors ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is All of these.
Key Points
Nuclear Reactor
- A nuclear reactor is a system that contains and controls sustained nuclear chain reactions.
Neutron Moderators
- A Neutron moderator is a medium that reduces the speed of fast neutrons i.e., nuclear chain reaction.
- Moderators are like accelerators.
Commonly used moderators
- Regular light water
- Solid graphite
- Heavy water
- Graphite
- Paraffin
| Element | Symbol | Use |
| Cadmium | Cd | used in making battery |
| Uranium | U | a radioactive element used as nuclear reactor fuel |
| Cobalt | Co | used in aircraft part manufacturing, battery |
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