B.TechSemester 32021-22Material ScienceKOE-032
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Material Science (KOE-032) - AKTU Question Paper 2021-22

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Material Science Previous Year Question Paper for B.Tech Semester 3, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Material Science (KOE-032) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
  • a
    Define solid soluti on strengthening. 2 1
  • b
    Explain concept of magnetism. 2 1
  • c
    Write down % composition of car bon in steel and cast iron. 2 2
  • d
    What is the purpose of Tempering? 2 2
  • e
    Explain the properties of stain less steel with application 2 3
  • f
    What do you mean by superconductivity? 2 3
  • g
    Differentiate annealing vs normalizing. 2 4
  • h
    Define creep with example. 2 4 i. Explain matrix and reinforcement of composite materials. 2 5 j. What are the objectives o f heat treatment? 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    State and explain the Hume-Rot hery rule for the formation of a s o l i d solution
  • b
    Explain in brief creep test a nd what is its importance? 10 2
  • c
    What are dielectric materi als? Explain the application of dielectrics. 10 3
  • d
    Draw and explain TTT diagram fo r eutectoid steel. Explain important transformation taking place in it on cooling
  • e
    Draw Stress – Strain Curve for any metal. Elaborate all poin ts associated with explanation
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    Draw neat Iron carbon equilibrium diagram with explanation o f each phase, compositions, and temperature. Explain the microstructur e of pearlite and Eutectoid Steels
  • b
    Differentiate between Rockwe ll, Brinell and Vickers Hardness testing. 10 1
  • a
    Explain:(i) Ferromagnetism ii) Diamagnetism (iii) shape memory alloys 10 2
  • b
    What is solid solution? Enlis t types of solid solution and explain it. 10 2
  • a
    Define composites? Write down the types of composites and ex plain them briefly
  • b
    What is diffusion? Illustrate the Fick’s laws of diffusion. 10 3
  • a
    What is polarization? Discuss the frequency effects on polar ization. 10 4
  • b
    Draw the hysteresis curve and explain it in detail. 10 4
  • a
    What is nanomaterials? Sta te the potential application of nanomaterials. 10 5
  • b
    Explain the types, propertie s and applications of carbon nanotubes. 10 5

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.

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