Design Against Fluctuating Load Practice Set

May 19, 2021

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

2. 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

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

4. The endurance limit of the component can be increased by

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

7. Stress concentration factor is defined as

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

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

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

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


 

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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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