Important Questions for Manufacturing Technology
Anna University Questions for 3rd Semester Mechanical Engineering – ME2201
Type : Questions
Sem : 3rd Semester
Subject : ME2201 Manufacturing Technology
Branch : Mechanical Engineering
Exam : Nov/Dec 2012 [ ODD Sem ]
Univ : Anna Univ & Affiliated Colleges
ME 2201 — MANUFACTURING TECHNOLOGY — I
PART A — (10 × 2 = 20 Marks)
1. What are the pattern materials?
2. Explain the term fettling.
3. What is the application of carburizing flame?
4. What are the diameter and length of the electrodes available in the market?
5. Explain the term Extrusion process.
6. What are the disadvantages of forging processes?
7. Define ‘‘Embossing’’.
8. Write short notes on hydro forming.
9. Define degree of polymerization.
10. What is rotational moulding of plastics?
PART B — (5 × 16 = 80 Marks)
11. (a) (i) Name the pattern allowances which can be quantitatively specified.
Write brief note on each of them.
(ii) Which properties are desirable for a moulding sand for sound casting?
|Describe the operation of a Cupola furnace for melting cast iron.|
Compare precision investment casting and shell moulding from the
|point of process, product and applications.|
Discuss the filler and flux materials using in Arc welding process.
|(ii)||Describe the types of flames obtained in an oxy-acetylene gas welding process giving the applications.|
|(b)||(i)||Explain the TIG and MIG system of welding. Give the application of|
|Explain the resistance welding process giving the equipment,|
|parameters controlled and the applications.|
How do you compare forged components with cast components?
|(ii)||Explain the types of rolling mills with a neat sketch.|
Distinguish between wire drawing and tube drawing with sketches.
|(ii)||Explain with neat sketches of upsetting and drawing operations.||down|
Explain with a sketch the principle of stretch forming.
|Washers of 10 mm inside diameter and 20 mm outside diameter are to be obtained from 1mm thick sheet metal. Sketch the tools required. (8)|
|(b)||(i)||What is high energy forming, and in what form is the principle|
|applied? Sketch an example of one application.|
Explain the principle of metal spinning process with a neat sketch.
|15.||(a)||(i)||Discuss the various properties of plastics.|
|(ii)||Sketch and explain the injection moulding process.|
|(b)||(i)||Why is screw injection moulding machine better than a ram||type|
|injection moulding machine?|
|(ii)||Discuss the processing of thermosetting plastics.|