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Engineering Sciences

GATE XE concept:injection-molding PYQs

Build your understanding with focused practice from past exam papers.

How to practice concept:injection-molding

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

GATE XE syllabus

Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.

Topic practice 6 questionsPage 1 of 1

Question 119

Open question
XE-FMCQ2 marksNeeds review
Injection molding is typically used to make plastic parts. If the pressure at the gate is monitored as a function of time during the injection of a thermoplastic polymer, identify the profile that best describes this event.
Diagram for Engineering Sciences question 119

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Question 11

Open question
XE-FMCQ2 marksNeeds review
Match the appropriate process technique in Column A to fabricate the product in Column B.
Column A
Column B
P — Blow molding
1 — Plastic buckets
Q — Rotational molding
2 — PVC sheet
R — Injection molding
3 — Basket ball
S — Calendering
4 — Plastic bottles
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Question 9

Open question
XE-FMCQ1 markNeeds review
Polystyrene coffee cup can be most economically manufactured by
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Question 6

Open question
XE-FMCQ1 markNeeds review
A plastic bucket is manufactured by
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Question 13

Open question
XE-FMCQ2 marksNeeds review
Match the following:


P. Plastic egg container
1. Injection molding
Q. Water tank
2. Extrusion
R. Chair
3. Rotational moulding
S. Cable
4. Thermoforming
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Question 119

Open question
XE-FMCQ2 marksNeeds review
Match the processing technique in Column A to the corresponding shear rate (s⁻¹) in Column B:
Column A P. Injection Molding Q. Extrusion R. Calendering S. Compression Molding
Column B
1-10
10-100
100-1000
1000-10000
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