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Previous year question hub

Structure of polymers - Classification and Structure of Materials - Engineering Sciences Previous Year Questions

Practice Structure of polymers - Classification and Structure of Materials - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

6Papers
6Years
6Questions
1Topics

Structure of polymers question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 4 66.7%
Medium 2 33.3%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 5 83.3%
Numerical Answer Type (NAT) 1 16.7%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
6 Qs

Most asked topics

Top topics across the included previous year papers.

Classification and Structure of Materials
6 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Structure of polymers
6 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Engineering Sciences (XE) 2025
1 Qs
Engineering Sciences (XE) 2023
1 Qs
Engineering Sciences (XE) 2021
1 Qs
Engineering Sciences (XE) 2017
1 Qs
Engineering Sciences (XE) 2011
1 Qs
Engineering Sciences (XE) 2008
1 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Engineering Sciences (XE) 20252025
1 questions in this view		2025
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20232023
1 questions in this view		2023
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20212021
1 questions in this view		2021
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20172017
1 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20112011
1 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20082008
1 questions in this view		2008
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Structure of polymers previous year questions

Practice every matching question in batches of 20, with every available option.

1
2008 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2008

Crystallinity of the three different types of polyethylene (PE) follows the order

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2
2011 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2011
The relation between the average density and the densities of crystalline and amorphous phases can be related to mass fraction of the crystalline phase (X) as
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3
2017 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2017
The unit cell volume of polyethylene (PE) is 0.0933 nm³. Assuming two ethylene repeat units are contained within each unit cell, the density of a totally crystalline PE will be ……………. g/cm³ (Take the atomic weights for carbon and hydrogen as 12.01 g/mol and 1.008 g/mol, respectively and the Avogadro’s number as 6.023×10²³ repeat units/mol)
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4
2021 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2021
Polymer crystals show a range of melting points in contrast to single melting point of crystals of small molecules, because __________.
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5
2023 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2023
What is the correct order of decreasing crystallinity of the given polymers?
Patactic-Polypropylene
Qsyndiotactic-Polystyrene
RNylon 6
SPolyethylene terephthalate
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6
2025 · Engineering Sciences · Classification and Structure of Materials · Structure of polymers
Engineering Sciences (XE) 2025
Crystallization is favored in polymer melts when the chain entanglement is __________ and only polymers with __________ molecular arrangement can crystallize.
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