Physics · Engineering Mechanics
आंतरिक दहन इंजन (IC इंजन) में पिस्टन कंप्रेशन रिंग आमतौर पर किसके बने होते हैं?
- 1कमानी इस्पात (स्प्रिंग स्टील)
- 2पीतल (ब्रास)
- 3एल्युमिनियम
- 4ढलवां लोहा (कास्ट आयरन)✓
सही उत्तर देखें
ढलवां लोहा (कास्ट आयरन)
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