Physics · Design of Machine Elements
For a spring undergoing fluctuating shear stresses, which feature most increases fatigue life for given loading?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Smaller wire diameter
- 2Large spring index
- 3Increased preload
- 4Polished wire surface✓
Correct answer
Polished wire surface
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