Engineering Sciences
GATE XE Synthesis, manufacturing and properties PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 35. Imported answers require independent review unless marked reviewed.
Question 8
Open questionXE-FMCQ1 markNeeds review
Equal and opposite forces of a constant magnitude
are applied at the two ends of a thin elastomeric rod, which is held at a temperature
(
), where
and
are the glass transition temperature and melting temperature respectively. If the temperature is increased to
(
and
), the rod will ____________.Your answerChoose one option.
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Open questionXE-FMCQ1 markNeeds review
The elastomer retaining flexibility at the lowest temperature is
Your answerChoose one option.
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Open questionXE-FMCQ1 markNeeds review
The polymer with minimum number of branches is
Your answerChoose one option.
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Open questionXE-FMCQ1 markNeeds review
Aramid is a
Your answerChoose one option.
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Open questionXE-FNAT2 marksNeeds review
A molten polymer with a bulk modulus of 1 GPa is pressurized to 200 MPa during injection molding. The fractional decrease in volume of the molten polymer at this pressurized condition is ______ (round off to 1 decimal place).
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The weather resistant polymer among the following is
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Hypalon is the trade name for
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Open questionXE-FMCQ2 marksNeeds review
Match the following products to the most suitable polymer for their manufacture:
Product
P. Electrical cables
Q. Electrical switches
R. Optical lenses
S. Shoe soles
Polymer
Polyurethane
Poly(methyl methacrylate)
Cross-linked polyethylene
Phenol formaldehyde resin
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionXE-FMCQ1 markNeeds review
Which one of the following polymers occurs naturally?
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Open questionXE-FMCQ1 markNeeds review
Nylon 6 is manufactured from
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