E E4844 Pages: 2

Reg No. Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH/FIFTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018

Course Code: ME220
Course Name: MANUFACTURING TECHNOLOGY

Max. Marks: 100 Duration: 3 Hours
PART A

Answer any three full questions, each carries 10 marks. Marks

1 a) Write two advantages and disadvantages of sand casting. (2) b) List the types of

patterns and pattern materials. (4)
€) What 15 acore? Write any two functions and requirements of a core. (4)
2 a) List the sand testing methods. (2) b) With the aid of sketches write short
note on the following (4)
i)Two High Mill ii) Three High Mill = iii) Four High Mill
c) What is the function of gates in casting? Write short notes on the types of Gates? (4)

3 a) What do you mean by recrystallization temperature? (2) b) Define the terms (4)
i) Draft ii) Neutral point iii) Angle of Bite
c) Write notes on the Hot chamber pressure die-casting process (4)
4 a) What are the methods used to reduce the roll force requirement in rolling process? (3) b) n>

Tan(a). Where பட்‌ coefficient of friction, ‏حء‎ angle of bite or angle of contact. From (4) the above
statement write down the roll bite conditions in rolling.
c) Write short notes on Hot and Cold Rolling process. (4)
PART 8
Answer any three full questions, each carries 10 marks.

5 a) With the aid of a simple sketch explain about open die forging. (3) b) Write

short notes son the following forging methods. (3) i)Upsetting ii) Fullering 111) Edging
c) With the aid of a sketch list the terminology for a forging die. (4)
6 a) List the Extrusion Defects. (2) b) List the forging defects? Write short note on any two forging

defects. (4)

c) Write short note on Degree of Freedom. Draw a sketch showing the 12 degrees of (4)

freedom.

7 a) What isaclamp? (2) b) Differentiate between Hot and Cold Extrusion. (4)

c) Write short notes on the following locating methods (4)

i) Locating from circular surfaces. ii) Concentric locating

8 a) Vacuum Clamping (3) b) Write notes on Hinge Clamping. (3)

c) Write down the principles of clamping. (4)

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