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Anna University Question Paper Code : 21557
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2013.
Third Semester
Mechanical Engineering
ME 2201/ME 32/10122 ME 302/PR 1204/080120005 — MANUFACTURING TECHNOLOGY — I
(Common to Industrial Engineering and Industrial Engineering and Management)
(Regulation 2008/2010)
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ANNA UNIVERSITY SYLLABUS: CLICK HERE
PART A — (10 x 2 = 20 marks)
1. Compare the advantages of metal moulds over sand (expendable) moulds.
2. What are the functions of flux in melting metals and alloys?
3. What is the minimum distance maintained between two successive spot welds made by resistance welding? Why?
4. Write short notes on transferred and non transferred arc in plasma arc welding.
5. What is ironing?
6. What is meant by fullering?
7. Define spring back.
8. Why is it necessary to provide proper clearance between the punch and the in a shearing operation?
9. What is polymerization?
10. What is calendaring in processing of plastics?
PART B — (5 x 16 = 80 marks)
11. (a) (i) What are the allowances given while making pattern? Explain. (8) (ii) Describe the process of Investment casting. What process controls are needed in this case? (8)
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