Question: Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly ?
[A].Cobalt: It contributes to rerl hardness by hardening ferrite.
Molybdenum: It forms abrasion resisting particles.
Phosphorous: It improves machinability in free cutting steels.
Silicon: It reduces oxidation resistance.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.