Maximum change in the hardness of mar tensite occurs in the carbon con – McqOptions

MCQOPTIONS

1.	Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.
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» C. 0.5 to 0.7

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