The stress concentration is generally expressed by a theoretical stress-concentration factor kt. Generally, Kt is described as the ratio of _________________

The stress concentration is generally expressed by a theoretical stre

1.	The stress concentration is generally expressed by a theoretical stress-concentration factor kt. Generally, Kt is described as the ratio of _________________
A.	σmax / σmin
B.	σmin/ σmax
C.	σmax/σnominal
D.	σnominal/σmax
Answer» D. σnominal/σmax

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