General Studies · Welding
निम्नलिखित में से कौन-सा एक वेल्डिंग दोष (welding defect) नहीं है?
- 1चिल (Chill)✓
- 2संलयन की कमी (Lack of fusion)
- 3सरंध्रता (Porosity)
- 4अंडरकट (Undercut)
सही उत्तर देखें
चिल (Chill)
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