Maximum change in the hardness of martensite occurs in the carbon content range

Question

Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?

Options:

A . 0.01 to 0.10

B . 0.2 to 0.4

C . 0.5 to 0.7

D . 0.8 to 1.0

Answer: Option B
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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