Physics · Metal Casting
ढलाई (casting) के लिए पैटर्न बनाते समय निम्नलिखित में से कौन सी धातु अधिकतम कुल आयतन संकुचन छूट (volumetric shrinkage allowance) प्रदर्शित करती है?
- 1गनमेटल
- 2तांबा (Copper)
- 3सीसा (Lead)✓
- 4एल्युमिनियम
सही उत्तर देखें
सीसा (Lead)
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