Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?

olybdenum: It forms abrasion resisting particles

obalt: It contributes to rerl hardness by hardening ferrite

hosphorous: It improves machinability in free cutting steels

ilicon: It reduces oxidation resistance

Which of the following pairs regarding the effect of alloying elements

1.	Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?
A.	obalt: It contributes to rerl hardness by hardening ferrite
B.	olybdenum: It forms abrasion resisting particles
C.	hosphorous: It improves machinability in free cutting steels
D.	ilicon: It reduces oxidation resistance
Answer» B. olybdenum: It forms abrasion resisting particles

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Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?

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