Question Paper: Manufacturing Process 1 : Question Paper Jun 2012 - Mechanical Engineering (Semester 3) | Visveswaraya Technological University (VTU)
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Manufacturing Process 1 - Jun 2012

Mechanical Engineering (Semester 3)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1(a) Explain different pattern allowances?(6 marks) 1(b) List out different pattern. Explain any two of them?(8 marks) 1(c) Explain the need and properties of additives?(6 marks) 2(a) What is CO2 moulding?(6 marks) 2(b) Compare jolt machine moulding and Squeeze machine moulding(9 marks) 2(c) Explain the working of sand slinger(5 marks) 3(a) Explain and sketch shell moulding(10 marks) 3(b) Explain the process of investment casting with neat sketch?(10 marks) 4(a) Write a note on core less induction furnace, highlighting (i) working principle (ii) merits and demerits(10 marks) 4(b) Explain the working of cupola with sketch?(10 marks) 5(a) What is flux shielded metal arc welding?(4 marks) 5(b) With sketch explain the process of submerged arc welding?(8 marks) 5(c) Sketch and explain atomic hydrogen welding(8 marks) 6(a) Explain the basic principle of resistance welding?(4 marks) 6(b) Explain with sketch explosive welding process(8 marks) 6(c) What is principle behind electron beam welding?(3 marks) 6(d) Write a note on laser welding?(5 marks) 7(a) Explain heat affected zone in welding?(7 marks) 7(b) How does shrinkage and residual stress affect the welding joint?(7 marks) 7(c) Write a note on causes and remedies of welding defects?(6 marks) 8(a) differentiate between (i) Welding and soldering (ii) soldering and brazing?(5 marks) 8(b) Explain magnetic particle inspection?(5 marks) 8(c) What is ultrasonic test inspection?(5 marks) 8(d) Explain the technique of radiographic inspection?(5 marks)

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