Tamil Nadu Open University (TNOU) 2008 B.E Mechanical Engineering Mechanical ME1201 MANUFACTURING TECHNOLOGY - Question Paper

.E Mechanical ME1201 MANUFACTURING TECHNOLOGY - I ques. paper

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2008

THIRD SEMESTER

MECHANICAL ENGINEERING

ME1201 MANUFACTURING TECHNOLOGY - I

(REGULATION 2007)
Time: 3 hours Maximum: 100 marks
ans ALL ques..
PART A - (10 x two = 20 marks)

1. elaborate the various ingredients of core sand?
2. Differentiate the terms 'mould' and 'core'.
3. elaborate the limitations of friction welding process?
4. Write short notes on diffusion welding.
5. What do you understand by forging? elaborate the advantages of forgings?
6. Write a short note on wire drawing.
7. What is fettling process?
8. What will be effects of cold working on metals?
9. What is the difference ranging from compression moulding and transfer moulding?
10. elaborate the advantages of metal spinning?

PART B - (5 x 16 = 80 marks)

11.(a) elaborate the factors which govern the selection of a proper material for trend making? [MARKS 8]
(b) elaborate the specific advantages of match plate patterns? discuss how they are used for making mould. [MARKS 8]
OR
12.(a) Sketch and explain the uses and advantages of a gated trend. [MARKS 8]
(b) define the procedure of making castings by the investment casting process. [MARKS 8]
13.(a) Briefly discuss the working principle of the plasma are welding process and mention their applications. [MARKS 10]
(b) elaborate advantages of friction welding process? [MARKS 6]
OR
14. (a) Briefly discuss the working principle of the Electro gas welding process and mention their applications. [MARKS 10]
(b) elaborate the functions of flux coating? [MARKS 6]
15.(a) define the principle of rolling. Write the different types of rolling mills along with their applications. [MARKS 10]
(b) Sketch and explain the process of rolling of channels and angles. [MARKS 6]
OR
16.(a) How are forging processes classified? discuss with sketches the different forging processes. [MARKS 8]
(b) Write short notes on, hot and cold extrusion. [MARKS 8]
17.(a) define the process of hydro forming. [MARKS 6]
(b) define the shearing, bending operations with suitable examples. [MARKS 10]
OR
18.(a) define the process of metal spinning. [MARKS 6]
(b) define the deep drawings operations with suitable examples. [MARKS 10]
19.(a) define briefly the process of injection moulding as used for producing plastic components. [MARKS 8]
(b) What is film blowing? elaborate its relative merits and demerits? [MARKS 8]
OR
20. define the working principle and typical applications of the subsequent moulding process:
(a) Compression moulding. [MARKS 8]
(b) Transfer moulding. [MARKS 8]

Earning:   Approval pending.