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Question

It is advised that India should pursue research and development on thorium instead of Uranium as the future fuel of nuclear energy. What advantages does the thorium hold over uranium?


A

1, 2 and 4

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B

2 and 3

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C

1 and 3

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D

All of these

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Solution

The correct option is A

1, 2 and 4


Thorium fuel is a bit harder to prepare. Thorium dioxide melts at 550 degrees higher temperatures than traditional Uranium dioxide, so very high temperatures are required to produce high-quality solid fuel. Additionally, Th is quite inert, making it difficult to chemically process. This is irrelevant for fluid-fueled reactors discussed below.

Thorium cycles exclusively allow thermal breeder reactors (as opposed to fast breeders). More neutrons are released per neutron absorbed in the fuel in a traditional (thermal) type of reactor. This means that if the fuel isreprocessed,


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