B.TechSemester 42023-24Material ScienceBOE403

Material Science (BOE403) - AKTU Question Paper 2023-24

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 2023-24. 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:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

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

Section AAttempt all questions in brief. 2 x 7 = 14

a
Define solidus, liquidus and tie line in phase diagram
b
State Gibbs phase rule and explain
d
Explain critical cooling rate in heat treatment
e
Differentiate between slip and twinning
f
Differentiate between diamagnetism and ferromagnetism
g
Define nanomaterials

Section BAttempt any three of the following: 7 x 3 = 21

a
Discuss the “ Hume Ruthery Rule”. Define solid solution and Differentiate between interstitial and substitutional solid solution
b
Explain Fick's laws of diffusion and derive the Fick’s second law
c
Define fatigue failure and explain SN curve for steel
d
Explain insulating, Ferroelectric, superconducting materials and their properties in brief
e
Discuss the role of matrix and reinforcement in FRP composite in detail

Section CAttempt any one part of the following: 7 x 1 = 7

a
Demonstrate and explain Eutectic, eutectoid, peritectic, peritectoid, reactions with diagram
b
Explain the process of drawing binary phase diagram and derive the expression for phase lever rule
a
Construct Iron –Iron carbide diagram. Interpret the various microstructure of Eutectoid Steels with all invariant reactions
b
Sketch the TTT Diagram and explain the austenite transformation into perlite, benite and martensite
a
Explain the primary, secondary and ternary creep phenomena through creep curve
b
Draw the stress strain curve for ductile and brittle material and explain them
a
Explain domain Theory of Ferro Magnetism
b
Explain the polarization mechanism in dielectric materials
a
Discuss properties and applications of carbon nanotubes in detail
b
Write short note on following: (1)NiTi Alloy (2) shape memory(3) metallic glasses

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)

Explain the polarization mechanism in dielectric materials

Appeared in: 2023-24 · 2024-25

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