General Studies · Manufacturing Processes
कठोरता के मामले में निम्नलिखित में से कौन सा महंगा अपघर्षक पदार्थ (abrasive material) हीरे के बाद दूसरे स्थान पर आता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1बोरान कार्बाइड (Boron carbide)✓
- 2एल्यूमीनियम ऑक्साइड (Aluminium oxide)
- 3सिलिकॉन कार्बाइड (Silicon carbide)
- 4क्वार्ट्ज (Quartz)
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बोरान कार्बाइड (Boron carbide)
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