________________ property of steel increases by addition of large amount of silicon in it?
Correct answer: D. Magnetic
- A. Mechanical
- B. Machining
- C. Refractory
- D. Magnetic
Explanation
A large silicon addition improves the magnetic behaviour of steel, particularly its electrical resistivity and suitability for transformer and motor cores. Its main effect here is magnetic, not refractory or machining-related.
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