A ductile material having an endurance limit of 196 N/mm2 and the yield point at 294 N/ mm2 is stressed under variable load. The maximum and minimum stresses are 147 N/ mm2 and 49 N/mm2. The fatigue stress concentration factor is 1.32. The available factor of safety for this loading is

A ductile material having an endurance limit of 196 N/mm2 and the yiel

1.	A ductile material having an endurance limit of 196 N/mm² and the yield point at 294 N/ mm² is stressed under variable load. The maximum and minimum stresses are 147 N/ mm² and 49 N/mm². The fatigue stress concentration factor is 1.32. The available factor of safety for this loading is
A.	3.0
B.	1.5
C.	1.33
D.	4.0
Answer» C. 1.33

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A ductile material having an endurance limit of 196 N/mm2 and the yield point at 294 N/ mm2 is stressed under variable load. The maximum and minimum stresses are 147 N/ mm2 and 49 N/mm2. The fatigue stress concentration factor is 1.32. The available factor of safety for this loading is

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A ductile material having an endurance limit of 196 N/mm² and the yield point at 294 N/ mm² is stressed under variable load. The maximum and minimum stresses are 147 N/ mm² and 49 N/mm². The fatigue stress concentration factor is 1.32. The available factor of safety for this loading is