Download AKTU B-Tech 3rd Sem 2016-2017 NME 301 Material Science Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 3rd Semester (Third Semester) 2016-2017 NME 301 Material Science Question Paper

Printed Pages - 3 NME - 301
i
1
1 (Following Paper ID and Roll No. to be filled in your
Paper ll) : 2012246 Roll No.
Answer Books)
B.TECH.
Regular Theory Examination (Odd Sem-III), 2016-17
MATERIALSCIENCE _
Time : 3 Hours Max. Marks : 100
SECTION -A
1. Attempt all parts. All parts carry equal marks. Write
' answer of each part in short. (10X2=20)
a) De?ne Crystal structure
b) What do you mean by Miller Indices?
c) 7 De?ne?a alloy.
(1) Name some of the methods used for non
destructive testing.
e) What are the different types of case hardening?
? f) How is cast iron produced?
g) State some applications of dielectric material.
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NME - 301
h) What is a semiconductor?
i) Name any two polymers and state their applications
j) State the advantages of nanomaterials.
SECTION - B
Note : Attempt any 5 questions from this section.
(5X10=50)
2. With the help of neat sketch explain different types of
crystal structure.
3. Enumerate the various atomic models proposed by
scientist over the last few decades.
4. Draw the Iron-carbon equilibrium diagram and explain
the features.
5. Explain the various steps involved in specimen
preparation with a help of flow diagram.
6. - Give the composition, properties and uses of any three
types of cast iron.
7. What is the difference between hard and soft magnetic
material? What are the characteristic and application of
soft magnetic material?
8. Write note on ceramic material.
9. Classify composite material and explain them brie?y.
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10.
NME - 301
SECTION - C
Note: Attempt any 2 questions from this section
(2 X15=30)
a) Enumerate physical and mechanical properties of-
copper. (7)
ll.
12.
b) Why aluminum ailoys are so important in modem
engineering practices? Justify your answer with
suitable example (8)
a) Explain with necessary formulations, the procedure
to be adopted in the impact test. (8)
b) How thermoplastic differ from thermosetting
plastics ? ' (7)
Distinguish between intrinsic and extrinsic
semiconductor. Explain Type I and Type II
superconductors with their application.
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