Design Against Fluctuating Load Practice Set

May 19, 2021

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

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

3. Stress concentration occurs due to

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

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

5. Cold working

6. The maximum stress concentration factor for a rectangular plate with a transverse hole loaded in tension or compression is

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

8. Stress concentration occurs due to

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

10. 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


 

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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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    Strength: Very Weak