Polymer Extrusion Die Swell Ratio Calculation | GATE 2025 Textile Engineering Question

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Textile Engineering > GATE 2025 > Extrusion

A polymer melt being extruded through a spinneret hole of circular cross-section exhibits a die-swell ratio of 2.2. The extrusion velocity and volumetric flow rate during this extrusion process are 20 m/min and 2.6×10^-8 m³/s, respectively. The maximum diameter (mm) of the extruded melt after exit from the spinneret hole (rounded off to 2 decimal places) is

Correct : 2.14

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