Physics · Engineering Materials
इंजन क्रैंकशाफ्ट बनाने के लिए आमतौर पर निम्नलिखित में से किस सामग्री का उपयोग किया जाता है?
- 1धूसर ढलवां लोहा (Grey cast iron)
- 2फोर्जिंग स्टील (Forging steel)✓
- 3मृदु इस्पात (Mild steel)
- 4ढलवां लोहा (Cast iron)
सही उत्तर देखें
फोर्जिंग स्टील (Forging steel)
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