The chemical used in breather of transformer is:
- Asbestos fibre
- Silica gel
- Sodium chloride
Correct answer: 3. Silica Gel
Explanation: The chemical used in the breather of the transformer is Silica Gel. The function of a breather in transformer is to absorb moisture from air. The silica gel is a desiccant. It has good properties of adsorbing and holding water vapors. Therefore Silica gel is employed in breather of transformer.