Practice question
In production drawings, a surface finish symbol comprising a closed triangle with its base resting on the surface line represents which of the following requirements?
- 1No machining is required on this surface.
- 2The surface must be left in its cast, forged, or un-machined state.✓
- 3The surface should be coated without material removal.
- 4Material removal by machining is mandatory.
Correct answer
The surface must be left in its cast, forged, or un-machined state.
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