B.TechSemester 42025-26Polymer Science And TechnologyBOE411
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Polymer Science And Technology (BOE411) - AKTU Question Paper 2025-26

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 2025-26. 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:2025-26
University:AKTU / UPTU

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Questions Asked in 2025-26

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

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    Define Mn and Mw. Why are averages used?
  • b
    What is crystallinity in polymers?
  • c
    What is copolymerization?
  • d
    What are organic polymers?
  • e
    What are thermoplastics? Give one example
  • f
    Give any two applications of epoxy resins
  • g
    Why are thermosetting plastics heat resistant?
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Describe polymer reaction kinetics
  • b
    Explain the mechanism and industrial importance of copolymerization
  • c
    Explain polymer processing techniques and their industrial applications
  • d
    What are elastomers? Explain vulcanization and its advantages
  • e
    Write the preparation, structure, properties, and applications of silicones
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    In a polymer, there are 150 molecules of molecular weight 100, 200 molecules od molecular weight 1000 and 300 molecules of molecular weight 10000. Find the number and weight average molecular mass of the polymer and PDI
  • b
    Write short notes on: (i) Mechanical and Thermal properties of polymer (SEM. IV) THEORY EXAMINATION 2025-26 POLYMER SCIENCE AND TECHNOLOGY (ii) Emulsion polymerization
  • a
    Explain how molecular weight, tacticity, and crystallinity influence polymer behaviour
  • b
    Explain coordination polymerization with mechanism. Discuss role of catalysts
  • a
    Explain polymer processing techniques with emphasis on blow moulding and injection moulding
  • b
    Describe the role of high performance polymers and composites in modern engineering
  • a
    Explain preparation, properties, and applications of any two thermoplastics and one elastomer
  • b
    Discuss the preparation, properties, and applications of synthetic rubbers (SBR and Nitrile rubber)
  • a
    What are the role of polymers in electronics and automobile industries with examples
  • b
    Discuss biopolymers and degradation of polymers with suitable examples

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)

2x

What is copolymerization?

Appeared in: 2024-25 · 2025-26

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