Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

Shear stress
None of these
Circumferential stress
Longitudinal stress

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Machine Design
The fatigue stress concentration factor is defined as

The ratio of endurance limit with stress concentration to the endurance limit without stress concentration
All of these
The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
The product of the endurance limits with and without stress concentration

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