General Studies · Metal Casting
आंतरिक सतह या खोखली कैविटी वाली ढलाई (casting) उत्पन्न करने के लिए, ढलाई प्रक्रिया में आमतौर पर किस भाग का उपयोग किया जाता है?
- 1पैटर्न (Pattern)
- 2कोर (Core)✓
- 3राइज़र (Riser)
- 4चैपलेट्स (Chaplets)
सही उत्तर देखें
कोर (Core)
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