General Studies · Refrigeration and Air Conditioning
कठोर तांबे की नली (हार्ड कॉपर ट्यूब) को ___________ द्वारा फ्लेयर किया जा सकता है।
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- 1नली की अत्यधिक तप्त (रेड हॉट) स्थिति द्वारा
- 2विशेष रसायनों का प्रयोग करके
- 3तांबे की नली का एनीलिंग (तापानुशीतन) करके✓
- 4कठोर फ्लेरिंग टूल का उपयोग करके
सही उत्तर देखें
तांबे की नली का एनीलिंग (तापानुशीतन) करके
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