B.TechSemester 42024-25Polymer Science And TechnologyBOE411

Polymer Science And Technology (BOE411) - AKTU Question Paper 2024-25

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Polymer Science And Technology Previous Year Question Paper for B.Tech Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 4

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Polymer Science And Technology (BOE411) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14

a
What is the minimum functionality required for a monomer to form a cross- linked polymer?
b
What is polymerization?
c
What do you mean by Smart polymer materials?
d
Teflon is chemically re sistant explain it
e
Discuss the structure and u ses of silicone polymers
f
Give any two examples of biopolymer
g
Explain the term tacticity of pol ymer . Give its classification

Section BAttempt any three of the following: 07 x 3 = 21

a
Weight average molecular weight is higher than number average molecular weight of a polymer. Explain?
b
Differentiate step growth and chain growth polymerization
c
What are the High-Performance Polymers. Also explain its application
d
Write are elastomers? Give advantage of vulcanization of natural rubber. Also give synthesis of (i) Neoprene and (ii) Butyl rubber
e
Explain Recent Trends in Advanced Polymer Materials in Agriculture Related Applications

Section CAttempt any one part of the following: 07 x 1 = 07

a
A polymer sample consists of 10% by weight of macromolecules of molecular weight 10000 and 90% by weight of macromolecules with M. Wt. 1,00,000. Calculate the average Mn and Mw
b
Write a short note on: i)Bulk polymerization ii)Suspension polymerization
a
Write the mechanism of Zeigler-Natta polymerization. What are advantages of this process over free radical polymerization? Write the structures of stereo-regular polymers of poly-propylene
b
What is the difference between chain-growth and step-growth polymerization? Also explain copolymerization with example?
a
Explain Polymer composites with suitable examples. W h a t a r e 5 c o m p o s i t e materials? Write Difference between polymer blends and composites
b
What do you mean by plasticity? Why plasticizer is used duri ng moulding of plastics? Mention the advantages and disadvantages of using plasticizer
a
What are thermosetting polymers? Discuss the preparation and ap plication of (i) Bakelite and (ii) UF resin
b
Write about the various polymers related to natural rubber with emphasis on their preparation, properties and uses
a
How do conductive and semiconducting polymers enhance the perfo rmance and flexibility in modern electronic devices. Give any two exam ples of conducting polymers
b
How will you justify the appl ication polymers in daily life

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — BOE411

Questions that appeared in more than one session, found by comparing 2 years of Polymer Science And Technology papers (2024-25, 2025-26)

What is polymerization?

Appeared in: 2024-25 · 2025-26

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