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GATE XE · 2023 · XE-F

Question 114: Chemistry of high polymers

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Question 114

XE-FMCQ1 markNeeds review
A high molecular weight polymer passes through different zones from the hopper to the die in an extruder. Among the options given, identify the correct match between the zones and their key functions.
Zones: P — Metering zone; Q — Compression zone; R — Feed zone; S — Working zone.
Key functions: 1 — High shear forces for effective mixing; 2 — Receives the charge or feed; 3 — Melts the charge or feed through heat conducted by the heating element; 4 — The charge or feed acquires a constant flow rate imparted by the helical flight of the screw.
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2023XE-F

GATE XE 2023 · Paper 1

Engineering Sciences · Original paper archive

Section
Section XE-F
Question type
Multiple choice (MCQ)
Marks
1 mark
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