Anna University Chennai 2003 B.Tech Marine Engineering MANUFACTURING TECHNOLOGY - Question Paper

Time : 3 hours Maximum : 100 marks

ans ALL ques..
PART A — (10x2 = 20 marks)

1.Broadly classify the welding processes.
2.List out the different non–destructive 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 kinds of rolling mills.
8.Distinguish ranging from blanking and piercing.
9.Enumerate the methods of taper turning in lathe.
10.What are the methods of indexing?

PART B — (5x16 = 80 marks)

11.(i)Explain the centreless grinding process and the kinds of feeds with neat sketches. (10)
(ii)Briefly discuss 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 explain the variables influence the identical. (6)
(ii)Briefly discuss the principle of seam welding and flash butt welding with simple sketches. (10)
13.(a)(i)What are the various kinds of trends used for casting? And
sketch the sweep and segmental trends. (6)
(ii)Discuss the properties of moulding sand. (10)
Or
(b)(i)Explain the different steps involved in shell moulding process with sketches. (10)
(ii)How are the defects in casting are classified? And provide an example for every. (6)
14.(a)(i)Explain the forward and backward extrusion process. (10)
(ii)Briefly discuss the principle of wire drawing. (6)
Or
(b)(i)Distinguish ranging from compound and progressive die. (6)
(ii)Explain the explosive forming process with a neat sketch. (10)
15.(a)(i)Distinguish ranging from capstan and turret lathes. (6)
(ii)Explain the different operations performed in drilling machines. (10)
Or
(b)Explain the indexing mechanism with a neat diagram. (16)

Earning:   Approval pending.