Design Against Fluctuating Load Practice Set

May 19, 2021

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1. In cyclic loading, the effect of stress concentration is more serious in case of

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

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

4. Stress concentration occurs due to

5. 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

6. Stress concentration occurs due to

7. Cold working

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

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

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

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