Anna University Chennai 2003 B.E Marine Engineering - Question Paper
D 358
B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2003.
Fourth Semester
Marine Engineering
MV 406 MANUFACTURING TECHNOLOGY
Time : Three hours Maximum : 100 marks
Answer ALL questions.
PART A (10 2 = 20 marks)
1. Broadly classify the welding processes.
2. List out the various nondestructive methods of inspecting welded joints.
3. What is core in casting?
4. What is the function of riser in castings?
5. What is dressing in grinding?
6. Define hardness of the grinding wheel.
7. Classify the types of rolling mills.
8. Distinguish between blanking and piercing.
9. Enumerate the methods of taper turning in lathe.
10. What are the methods of indexing?
PART B (5 16 = 80 marks)
11. (i) Explain the centreless grinding process and the types of feeds with neat sketches. (10)
(ii) Briefly explain the super finishing process? (6)
12. (a) Explain in detail the Gas Metal Arc Welding (GMAW) process with neat sketches. (16)
Or
(b) (i) Define resistance welding and briefly discuss the variables influence the same. (6)
(ii) Briefly explain the principle of seam welding and flash butt welding with simple sketches. (10)
13.
(a) (i) What are the different types of patterns used for
casting? And
sketch the sweep and segmental patterns. (6)
(ii) Discuss the properties of moulding sand. (10)
Or
(b) (i) Explain the various steps involved in shell moulding process with sketches. (10)
(ii) How are the defects in casting are classified? And give an example for each. (6)
14. (a) (i) Explain the forward and backward extrusion process. (10)
(ii) Briefly explain the principle of wire drawing. (6)
Or
(b) (i) Distinguish between compound and progressive die. (6)
(ii) Explain the explosive forming process with a neat sketch. (10)
15. (a) (i) Distinguish between capstan and turret lathes. (6)
(ii) Explain the various operations performed in drilling machines. (10)
Or
(b) Explain the indexing mechanism with a neat diagram. (16)
| Earning: Approval pending. |
