Design Against Fluctuating Load Practice Set

May 19, 2021

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

2. Stress concentration occurs due to

3. Stress concentration occurs at the contact between

4. 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

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

7. Cold working

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

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

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


 

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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