General Studies · Welding and Joining Processes
टॉर्च ब्रेजिंग में, ऊष्मा किसके मिश्रण को जलाने से उत्पन्न होती है?
- 1ऑक्सी-हाइड्रोजन गैस
- 2ऑक्सी-नाइट्रोजन गैस
- 3ऑक्सी-नियोन गैस
- 4ऑक्सी-एसिटिलीन गैस✓
सही उत्तर देखें
ऑक्सी-एसिटिलीन गैस
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