General Studies · Design of Machine Elements
A power screw will be self-locking if:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The coefficient of friction is less than the helix angle
- 2The friction angle is less than the helix angle
- 3The friction angle is equal to half of the helix angle
- 4The coefficient of friction is greater than or equal to the tangent of the helix angle✓
Correct answer
The coefficient of friction is greater than or equal to the tangent of the helix angle
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