General Studies · Machining & Lapping
हाई-स्पीड स्टील (HSS) टूल्स की लैपिंग के लिए निम्नलिखित में से कौन सा अपघर्षक (abrasive) पदार्थ सबसे उपयुक्त है?
- 1हीरा (Diamond)
- 2एल्युमिनियम ऑक्साइड
- 3सिलिकॉन कार्बाइड
- 4बोरॉन कार्बाइड✓
सही उत्तर देखें
बोरॉन कार्बाइड
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