B.TechSemester 32023-24Materials EngineeringBME303

Materials Engineering (BME303) - AKTU Question Paper 2023-24

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Materials Engineering 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

Materials Engineering (BME303) — 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 .

a
Define unit cell in crystal structure. 2
b
Write down % composition of carbon in steel and cast iron. 2
c
What is substitutional solid solution? 2
d
Explain the properties of stainless steel. 2
e
Explain matrix and reinforcem ent of composite materials. 2
f
What do you mean by Austempering? 2
g
Define the term fatigue strength. 2

Section BAttempt any three o f t h e f o l l o w i n g :

a
State and explain the Hume-Rothery rule for the formation of a solid solution. 7
b
Classify the defect in crystal and explain point defect in d etail with neat sketch. 7
c
Explain the term heat treatment and its objective. 7
d
Define composite material and its classification based on ma trix and reinforcement. 7
e
Differentiate between duc tile failure and brittle failure. Also explain fracture mechanism with neat diagram

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

a
Draw a neat Iron carbon equilibrium diagram. Explain the mic rostructure of pearlite and Eutectoid Steels
b
What is the use of tie lines and lever rule within two phase regions? Explain it with copper nickel binary phase diagram
a
Discuss effects of alloying elements on the properties of st eel. 7
b
What is solid solution? Enlis t types of solid solution and explain it. 7
a
Explain in detail stainless steel and tool steel. 7
b
Describe cast iron .Also expl ain carbon fiber and its properties. 7
a
Draw and explain TTT diagram for eutectoid steel. Explain im portant transformation taking place in it on cooling
b
Explain the following term- Carburizing Annealing Normalizing Quenching
a
Explain creep failure. Also explain creep curve with creep m echanism. 7
b
Discuss Ultra Sonic test and Magnetic Particle Test in case of Non-Destructive Test. 7

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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