Hindustan Institute of Technology and Science (HITE) 2011 B.E Mechanical Engineering - Question Paper

ME 1103/ME1105

B.E. DEGREE EXAMINATION, APRIL 2011.

(Mechanical engineering/chemical engineering)

2nd semester

MANUFACTURING TECHNOLOGY - I/MANUFACTURING TECHNOLOGY

Time:3 hours maximum:100 marks

PART A-(10×2=20 marks)

ans ALL ques.

All ques. carry equal marks.

1. describe "pattern".

2. List the princple ingridents of moulding sand.

3. Name 2 methods of arc welding.

4. describe the term "weldability".

5. describe extrusion.

6. Name any 4 methods of cold working of metals.

7. describe drawing in sheet metal working.

8. Name the metals commonly used in sheet metal work.

9.What is polymerization.

10. Write a short note on thermosetting plastic.

PART B-(5×16=80 marks)

ans ALL choosing either (a) or (b) of every ques.

All ques. carry equal marks

11. (a) (i) write short notes on properties of moulding sand.(8)

(ii) write short notes on trend allowances.(8)

Or

(b) with sketches define theinvestment moulding process. List the advantages and limitations of this process.(16)

12. (a) (i) with sketches explain the kinds of flames found in oxy-acetylene gas welding.(8)

(ii) explain about spot welding techinique.(8)

Or

(b) with a neat sketch discuss the submerged arc wellding in detail. provide its advantages.(16)


13. (a) explain the advantages and limitations of hot and cold working process.(16)

Or

(b) with neat sketches discuss the smith forging operations. (16)

Or

14. (a) discuss magnetic pulse forming and explosive forming in detail.(16)

Or

(b) discuss the princple of rubber pad forming with a neat sketch.(16)

Or

(a) discuss the working princple of screw kind injection moulding with a neat sketch.(16)

Or

(b) explain the methods used for processing thermosetting plastics.(16)

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Earning:   Approval pending.