Endurance is a measure of fatigue limit of a metal. Fatigue crack in n – McqOptions

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1.	Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates
A.	at the surface.
B.	within the core.
C.	just below the surface.
D.	anywhere on the surface.
Answer» C. just below the surface.

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