Question:
Long Trunk is observed in
Long Trunk is observed in
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Long trunk defects are associated with scutching during lap formation in blowroom line.
Updated On: Jun 29, 2026
- Roving Frame
- Carding
- Scutcher
- ERM Cleaner
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The Correct Option is C
Solution and Explanation
Concept:
In blowroom processing, the scutcher (scutching machine) is responsible for forming laps by further opening and cleaning cotton after initial blowroom processes. During lap formation, improper opening or irregular feed can lead to defects such as long trunk formation.
Step 1: Understand long trunk defect.
Long trunk refers to irregular thick portions in lap formation.
Step 2: Identify machine where it occurs.
It is associated with lap forming stage → scutcher.
Step 3: Eliminate other options.
• Carding → web formation, not lap defect
• Roving frame → sliver processing
• ERM cleaner → cleaning only, not lap formation
Step 4: Final answer selection.
Thus, \[ \boxed{\text{Scutcher}} \] So, \[ \boxed{\text{Option (C) is correct.}} \]
Step 1: Understand long trunk defect.
Long trunk refers to irregular thick portions in lap formation.
Step 2: Identify machine where it occurs.
It is associated with lap forming stage → scutcher.
Step 3: Eliminate other options.
• Carding → web formation, not lap defect
• Roving frame → sliver processing
• ERM cleaner → cleaning only, not lap formation
Step 4: Final answer selection.
Thus, \[ \boxed{\text{Scutcher}} \] So, \[ \boxed{\text{Option (C) is correct.}} \]
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