The relationship between the alternating stress and mean stress is giv – McqOptions

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1.	The relationship between the alternating stress and mean stress is given by the following equation: _a= _e[1-( _m/ _u)x], where _e is the fatigue limit for completely reversed loading.
A.	nThe value of x for Gerber line is equal to _________
B.	1
C.	2
D.	0.5
E.	-1
Answer» C. 2

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