Q. Identify the incorrect statement (Solved)
1. Fatigue strength is seriously reduced by the introduction of a stress raiser such as a notch or hole
2. A fatigue failure is particularly insidous, because it occurs without any warning
3. Fatuge results in a brittle fracture with no gross deformation at the fracture
4. As the roughness of surface increses the fatigue life of speoimen increases
5. None of the above
- d. As the roughness of surface increses the fatigue life of speoimen increases