Design Against Fluctuating Load Practice Set

May 19, 2021

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1. The reliability factor for using 50% reliability in design is

2. Cold working

3. The surface finish factor for a highly polished component is

4. The factor of safety for machine parts subjected to reversed stresses is

5. A stress that varies in sinusoidal manner with respect to time from tensile to compressive (or vice versa) and which zero mean is called

6. A stress that varies in sinusoidal manner with respect to time from a minimum value to maximum value and which has some mean as well as amplitude value is called

7. As the size of the component increases, the endurance limit of the component

8. The relationship between endurance limit of component subjected to fluctuating torsional shear stresses (Sse) to endurance limit in revered bending (Se) is

9. Fatigue failure results due to fluctuating stresses when the stress magnitude is

10. Stress concentration factor is defined as


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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