Presence of nickel in steel improves its_________________?
Correct answer: A. Corrosion resistance
- A. Corrosion resistance
- B. Cutting ability
- C. Wear resistance
- D. All A., B. and C.
Explanation
Nickel improves the corrosion resistance of steel by promoting a more stable and protective alloy surface. It does not generally improve cutting ability, so the combination option is not justified.
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