Machine Design
The bending stress in a curved beam is

Zero at the point other than centroidal axis
Zero at the centroidal axis
Maximum at the neutral axis
None of these

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Machine Design
The fatigue stress concentration factor is defined as

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

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