B.TechSemester 32023-24Material ScienceBOE303

Material Science (BOE303) - AKTU Question Paper 2023-24

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 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 3

Session:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Material Science (BOE303) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14

a
Define the tie-line rule?
b
Write down % composition of carbon in steel and cast iron
c
Explain the properties of stainless steel with application
d
Define creep with example
e
Mention the salient features of Cup and Cone type of fracture
f
Differentiate annealing vs normalizing
g
What are the objectives of heat treatment?

Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21

a
State Gibb’s phase rule. Mention the number of variables and t he degree of freedom at the eutectic temperature of a binary phase diagram
b
Differentiate between ferrous and non-ferrous material with suitable examples
c
Draw a neat diagram and explain behaviour of specimens under b rittle and ductile fractures
d
What is the difference between Eutectic and Eutectoid phase diagrams? Explain with suitable example
e
What is some method by which processing of ceramic material is carried out? What are the applications of ceramic materials?

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7

a
What is solid solution? Enlist types of solid solution and explain it
b
Define free energy composition cu rves for binary systems? Also define microstructural change during cooling?
a
Draw n eat Iron carbon equilibrium diagram with explanation of e ach phase, compositions, and temperature. E x p l a i n t h e m i c r o s t r u c t u r e o f p earlite and Eutectoid Steels
b
What do you mean by engineering materials? Give a detailed classification of engineering materials with suitable examples
a
What is solid solution strengthening? What is precipitation hardening?
b
Why is creep considered to be a h igh temperature property? Enumerate the metallurgical variables affecting the creep behavior of a mater ial. Explain the effect of grain size on the creep strength of a material
a
Explain:(i) Ferromagn etism ii) Diamagnetism (iii) shape memory alloys
b
Define superconducting materials and their properties.?
a
What a re glass ceramics? How are they formed? What are desirabl e characteristics of glass ceramics?
b
What are nanomaterials? State the potential application of nanomaterials

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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