General Studies · Welding and Soldering
कठोर सोल्डर (hard solders) का गलनांक क्या होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1सटीक 200°C
- 2120°C से नीचे
- 3300°C से नीचे
- 4450°C से ऊपर✓
सही उत्तर देखें
450°C से ऊपर
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