GATE XE · 2026 · XE-F
Question 131: Polymer processing
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Question 131
XE-FNAT2 marksNeeds review
A single-screw extruder is operated at 12 rpm under open discharge condition (i.e., without a die).
The screw has a diameter of 10 cm, a distance of 2.5 cm between the adjacent flights, a gap of 0.25 cm between the screw and the inner wall of the barrel, and a helix angle (i.e., angle between the flights and the plane perpendicular to the screw axis) of 8°.
If the flow of the molten polymer in the metering zone through the extruder is assumed isothermal, Newtonian and incompressible, the volumetric flow rate of the polymer melt is ______________ cm
/min (rounded off to the nearest integer).Log in to check the answer
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2026XE-F
GATE XE 2026 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-F
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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