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Posted Date: 21 Feb 2008 Posted By: Sree.... Member Level: Diamond
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2007 Jawaharlal Nehru Technological University, Hyderabad B.Tech COMPOSITE MATERIALS(RR) Set No. 2 Question paper
Code No: RR421801 Set No. 2
IV B.Tech II Semester Supplementary Examinations, June 2007
COMPOSITE MATERIALS
(Metallurgy & Material Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) What are the four major steps in making a mold from a solid board?
(b) What are the guidelines for gate locations in closed molding operations? [8+8]
2. Write a note on Properties and Applications of Kevlar fibers. [16]
3. Write short notes on the following :
(a) Aramid fibers
(b) Alumina based fibers
(c) Silicon Carbide fibers. [6+6+4]
4. Explain in detail the characteristics and applications of Carbon fibers. [16]
5. Discuss the elastic behavior of the composite under transverse loading. [16]
6. Write short notes on the following.
(a) Sandwich panels
(b) Hydrid composites
(c) Classification of composites
(d) Carbon - Carbon Composites. [4+4+4+4]
7. What is filament winding? With a neat sketch explain the process. What are the
limitations of filament winding? [16]
8. With the help of neat sketches, differentiate isostrain and isostress conditions.[16]
? ? ? ? ?
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