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) — extracted question text · 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. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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