B.TechSemester 42024-25Material ScienceBOE403
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Material Science (BOE403) - AKTU Question Paper 2024-25

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Material Science 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

Material Science (BOE403) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    Define Hume Rothery's rules
  • b
    What are the phases in the iron-carbon diagram?
  • c
    Define slip and twinning
  • d
    What is dielectric breakdown?
  • e
    What are metallic glasses?
  • f
    State Griffith’s theory of fracture
  • g
    Write applications of carbon nanotubes
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Explain the eutectic and p eritectic phase diagrams
  • b
    Discuss the microstructure of hypoeutectoid and hypereutecto id steels
  • c
    Describe different strengthening mechanisms in materials
  • d
    What are ferroelectric materials? State their applications Explain the preparation and applications of nanomaterials
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Explain the iron-carbon phase diagram in detail
  • b
    What is T-T-T diagr am? Explain its significance in steel transformation
  • a
    Explain creep curve and its mechanisms
  • b
    Describe fatigue failure and methods to improve fatigue life
  • b
    Explain polarization mechanisms in dielectric materials
  • a
    What are composites? Explain c lassification and role of matr ix and reinforcement
  • b
    Discuss shape memory allo ys and their applications
  • a
    What are carbon nanotubes? Describe types and applications
  • b
    Write short note on metallic glasses and their properties

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 — BOE403

Questions that appeared in more than one session, found by comparing 3 years of Material Science papers (2023-24, 2024-25, 2025-26)

2x

Explain polarization mechanisms in dielectric materials

Appeared in: 2023-24 · 2024-25

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