General Studies · Machine Design
What is a distinct structural feature of a hollow saddle key regarding its cross-sectional surface?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It requires a deep keyway to be cut into the shaft.
- 2Both faces are tapered longitudinally with a square cross-section.
- 3One face of the key has a curvature to match with that of the shaft surface.✓
- 4It has a completely flat cross-section on both top and bottom faces.
Correct answer
One face of the key has a curvature to match with that of the shaft surface.
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