Design Against Fluctuating Load Practice Set

May 19, 2021

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1. Stress concentration factor is defined as

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

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

3. Fatigue failure results due to fluctuating stresses when the stress magnitude 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 factor of safety for machine parts subjected to reversed stresses is

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

8. Stress concentration occurs due to

9. 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

10. In static 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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