Design Against Fluctuating Load Practice Set

May 19, 2021

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1. Stress concentration factor is defined as

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

3. The notch sensitivity factor (q) is given by

    Where, Kt and Kf are theoretical and fatigue stress concentration factors

4. Stress concentration occurs due to

5. The approximate relationship between endurance limit of rotating beam specimen (S’e) and ultimate tensile strength (Sut), in case of steel component, is

6. In static loading, the effect of stress concentration is more serious in case of

7. The approximate relationship between endurance limit of rotating beam specimen (S’e) and ultimate tensile strength (Sut) in case of cast iron and cast steel components, is

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

9. Stress concentration occurs due to

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


 

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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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