Home Important Questions ME 2201 Manufacturing Technology Important Questions for 3rd Sem Mech

ME 2201 Manufacturing Technology Important Questions for 3rd Sem Mech

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


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?

Explain.                                                                                       Or

  (b) (i)



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.  


(b) (i)

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.  


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