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Posted By: Ron Member Level: Gold Posted Date: 02 Jun 2008
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2007 Mahatma Gandhi University B.Tech Mechanical Engineering Manufacturing Processes Question paper
Manufacturing Process
Part- A
1. What is pattern? How does it differ from the actual product to be made from it?
2. What is meant by green sand and dry sand moulding?
3. Explain the equipment needed for oxy-acetylene welding.
4. Explain thermit welding.
5. Explain the functioning of two-high rolling mill.
6. Define the term explosive forming and give its classification.
7. How are the presses classified according to the number of drive gears?
8. Describe the extruding process.
9. What is deep drawing?
10. What main considerations will you make in designing a forging?
[10x4 = 40 marks]
Part-B
11. What are the factors which govern the selection of a proper material for pattern making?
or
12. Illustrate and describe the centrifugal casting.
13. Explain the construction of a cutting torch with a neat sketch and show its parts.
or
14. Explain the TIG and MIG system of welding.
15. Explain the function of planetary hot rolling mill.
or
16. Explain the process of electromagnetic forming and its salient characteristics.
17. Explain the following press working operations:
(i). shearing.
(ii). bending.
(iii). drawing.
(iv). squeezing.
or
18.Explain the process of compression moulding and injection moulding used in plastics.
19. What are the common forging defects and what are they due to?
or
20. Describe with a neat sketch the working of a pneumatic power hammer.
[5x12 = 60 marks]
//
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