General Studies · Metal Forming
एक 4-हाई रोलिंग मिल (4-high rolling mill) में, बड़े व्यास वाले रोल को क्या कहा जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1मुख्य रोल (Main rolls)
- 2सपोर्ट रोल (Support rolls)
- 3गाइड रोल (Guide rolls)
- 4बैकअप रोल (Backup rolls)✓
सही उत्तर देखें
बैकअप रोल (Backup rolls)
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