General Studies · Metrology
किस सामग्री से बनी सरफेस प्लेटों पर खरोंच लगने पर बर्स (Burrs) नहीं बनते हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1पीतल (Brass)
- 2उच्च कार्बन इस्पात (High carbon steel)
- 3ग्रेनाइट (Granite)✓
- 4ढलवां लोहा (Cast iron)
सही उत्तर देखें
ग्रेनाइट (Granite)
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