Andhra University 2008 B.E MATERIAL SCIENCE - exam paper

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.