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Posted By: kondapalli Member Level: Gold Posted Date: 09 May 2008
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2007 Jawaharlal Nehru Technological University B.E Mechatronics MANUFACTURING TECHNOLOGY setno1 Question paper
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1. (a) Define the term pattern? Listout various types of Patterns.
(b) Explain the desired properties required for the Pattern materials. [8+8]
2. (a) Write the advantages and disadvantages of Die Casting Process.
(b) Describe Hot Chamber Die Casting Machine with a neat sketch. [6+10]
3. (a) Briefly explain the importance of various metal working processes.
(b) Describe recovery, recrystallization and grain growth phenomena in metal
working process. [8+8]
4. (a) What is meant by extrusion? What are the various types of extrusion processes?
Describe their applications.
(b) Explain the process of Piercing with a neat sketch. [8+8]
5. (a) Sketch and explain various smithy hand tools and mention their applications
(b) Differentiate ‘open fire’ and ‘stock fire’ operations used in smiths forge. Which
one is preferred and why? [10+6]
6. (a) What is “Arc blow”? Explain its causes and mention its remedial methods.
(b) What are the various metallurgical changes occur in welding process and ex-
plain about “Heat affected Zone”? [8+8]
7. (a) How the slip gauges are made and what are its applications?
(b) Explain clearly the differences between inspection and master gauges. [10+6]
8. (a) What are limit gauges? Sketch and explain the different types of limit gauges.
(b) Distinguish between a measuring instrument and gauge. [10+6]
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