General Studies · Metrology and Inspection
Which of the following instruments is used for precise angular measurement in machining and is capable of measuring angles to within a few seconds of arc?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Vernier Caliper
- 2Optical Comparator✓
- 3Micrometer
- 4Dial Gauge
Correct answer
Optical Comparator
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