Q802
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
AnswerB.
Molybdenum: It forms abrasion resisting particles
C.
Phosphorous: It improves machinability in free cutting steels
D.
Silicon: It reduces oxidation resistance
Answer: Option A
Solution
Answer: Option A
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