Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 3rd Semester (Third Semester) 2015-2016 ME 303 Material Science In Engineering Question Paper
Pi-intgd Pages: 3 608 - ME-303
(Following Paper ID and Roll No. to be filled in your
Answer Book)
Roll No.
B. Tech.
(SEM. III) THEORY EXAMINATION, 2015-16
MATERIAL SCIENCE IN ENGINEERING
[Time:3 hours] [Total Mark?zl00]
Note : Attempt all 3 sections.
" Section-A
l. ? Attempt all parts. All parts carry equal marks. Write
. answer of each part in short. - (2x10=20)
(a)
(b)
(C)
(d)
(e)
(t)
1725
What do you mean by diffusion ?
Write two examples of thermoplastic.
Write composition of solder.
What do you mean by true stress ?
What is difference between iron and steel ?
What do you mean by unit cell ? -
(1) p.110.
(g) De?ne the term fatigue.
(5) What do you mean by ss and H88 ?
-(i) Which is the purest form of iron? .
(i) What do you mean by yielding of a material ?
Section-B
' Attempt any ?ve questions from this section. (10x5= 50)
2'.
I725
What do you mean by Creep? Also explain Phases and
mechanism.
\
Differentiate between Amorphous and crystalline;
material. ?
Write the classi?cation of NDT and explain LPT.
De?ne Ceramics and classify it. Write the properties of ?
ceramics.
What are hard and so? magnetic materials? Explain with
reference to hysteresis loop.
Write short notes on Thermosetting plastic with
examples.
(2) ? ME-303
Attempt any two questions from this section.
10.
1'1.
12.
1725
What do you mean by hardness ? Classify different types
ofhardness measuring methods and explain any one.?
Explain the following terms :
(i) Toughncss
(ii) Brittle material
(iii) Compaction
Section-C
(l 5x2=30)
Explain iron carbon diagram with a neat sketch.
Draw the neat'sketch of I I l diagram for eutectoid steel
and label the regions.
Explain stress - strain diagram for mild steel and cast
iron with neat sketch.
_x?.
(3) ME-303
This post was last modified on 29 January 2020