Mahatma Gandhi University (MGU) 2007 B.Tech Mechanical Engineering Manufacturing Process - Question Paper

B.Tech Degree Examination, January 2007
Semester - V
Manufacturing Processes (M,U)
(Regular/Supplementary)
Time: three hours
Maximum marks: 100 Marks

Part- A:
ans all ques.. every ques. carries4 marks.

1. What important considerations a pattern-maker has to make before planning a pattern?

2. What is meant by 'binder' and 'additives' in sand moulding?

3. define the kinds of flames with the help of sketches.

4. discuss submerged arc welding

5. discuss the functioning of three-high rolling mill.

6. describe the term deformation velocity and provide it's importance.

7. How are the presses classified according to the number of Crankshafts?

8. How is wire drawing done?

9. What is die forging?

10. elaborate the common forging defects?

[10x4 = 40 marks]





Part- B:
ans all the ques.. every ques. carries 12 marks.

11. How is the layout trend made? State the procedure for trend construction.
or
12. Illustrate and define investment casting.

13. elaborate the electrolytes used in arc welding made of? elaborate the electrode coverings and why they are provided?
or
14. With the help of a neat sketch, discuss thermit welding and it's merits and demerits.

15. explain the process of tube-producing through rolling process.
or
16. discuss the process of electrohydraulic forming and provide its salient characteristics.

17. Analyze the wire drawing process, discuss the functions of die-angle in wire drawing.
or
18. discuss the process of calendaring used in plastic materials.

19. What main considerations will you make in designing a forging?
or
20. define with a neat sketch the working of a spring hammer.

[5x12 = 60 marks]

Earning:   Approval pending.