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1. |
The fatigue stress concentration factor is defined as |
A. | the ratio of endurance limit with stress concentration to the endurance limit without stress concentration |
B. | the ratio of endurance limit without stress concentration to the endurance limit with stress concentration |
C. | the product of the endurance limits with and without stress concentration |
D. | all of the above |
Answer» C. the product of the endurance limits with and without stress concentration | |