General Studies · Workshop Technology
मैनुअल मेटल आर्क वेल्डिंग में, इलेक्ट्रोड दो मानक लंबाइयों में निर्मित होते हैं, जो हैं:
- 1200 mm और 300 mm
- 2500 mm और 600 mm
- 3650 mm और 750 mm
- 4350 mm और 450 mm✓
सही उत्तर देखें
350 mm और 450 mm
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