Andhra University 2008 B.E MATERIAL SCIENCE - exam paper
Wednesday, 01 May 2013 03:25Web
Year B.E./B.Tech Degree exams
MATERIAL SCIENCE
(Common to EEE & ECE Branches)
Time : 3 hours Maximum : 75 Marks
ques. one is compulsory
ans any 4 from ques. two to 8
All ques. carry marks
1. a) describe unit cell of space lattice.
b) describe ferrites with applications.
c) What is meant by Epitoxial process.
d) Write a short note on diffused resistors.
e) discuss superconductor with example.
2. What is meant by imperfections in solids. Write any two
dislocations and discuss the role of dislocations in crystal
growth.
3. discuss polarisability and write a note of frequency
dependence of Polarizability.
4. discuss in detail about Fabrication of crystal growth. Write
about role of polishing and photo formation of ohmic
contacts.
5. Write about principles of IC packing and thin film capacitors.
6. Write about magnetic and dielectric materials of Hard &
Soft magnetic materials. discuss about cathode sputtering.
7. discuss high frequency applications of Superconductors and
Biofunctional materials.
8. discuss in detail plastic deformation and Electro plating.
Earning: Approval pending. |