GTU Mechanical Engineering (Semester 4)
Manufacturing Processes 2
May 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Define manufacturing process and enlist various manufacturing process.
7 M
1 (b) What is pattern? list different types of patterns and explain any two with neat sketch.
7 M

2 (a) What is the difference between sand and shell mold casting?
7 M
Answer any one question from Q2 (b) & Q2 (c)
2 (b) State the types of furnaces used in foundries discuss in brief the working of cupola furnace.
7 M
2 (c) What is gating system? what are its function? state types of gate with its advantages.
7 M

Answer any two question from Q3 (a), (b) & Q3 (c), (d)
3 (a) Describe the types of flame obtained in oxy-acetylene gas welding with neat sketch.
7 M
3 (b) State the hot working and cold working process advantage and disadvantages of the process.
7 M
3 (c) Write short note on Electro beam welding.
7 M
3 (d) Classification of rolling process according to the shape of rolling.
7 M

Answer any two question from Q4 (a), (b) & Q4 (c), (b)
4 (a) Explain wire drawing and tube drawing with neat sketches.
7 M
4 (b) Classification of plastic and its general properties.
7 M
4 (c) What is laser beam welding process? Explain the steps involved in the process and state its application.
7 M
4 (d) Explain with neat sketch injection moulding process. What are the limitations of this process?
7 M

Answer any two question from Q5(a), (b), (c) & Q5 (d), (e), (f)
5 (a) Explain the various metal joining process along with the types of welding process.
7 M
5 (b) Draw the various glass structure explain properties and application of glass manufacturing.
7 M
5 (c) Enlist the various types of presses used in forging explain with neat sketch.
7 M
5 (d) Explain blow molding process stating its advantages, limitation and application.
7 M



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