General Studies · Bearings
निम्नलिखित में से कौन सी सामग्री आमतौर पर जर्नल बेयरिंग (journal bearing) सामग्री के रूप में उपयोग की जाती है?
- 1तांबा (कॉपर)
- 2एल्युमिनियम
- 3कास्ट आयरन (ढलवां लोहा)
- 4बैबिट मेटल (Babbitt metal)✓
सही उत्तर देखें
बैबिट मेटल (Babbitt metal)
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