If Kf is the fatigue stress concentration factor and Kt is the theoret – McqOptions

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1.	If Kf is the fatigue stress concentration factor and Kt is the theoretical stress concentration factor then, the notch sensitivity q is?
A.	(Kf + 1) / (Kt + 1)
B.	(Kf - 1) / (Kt - 1)
C.	(Kt - 1) / (Kf - 1)
D.	(Kf - 1) / (Kt + 1)
Answer» C. (Kt - 1) / (Kf - 1)

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