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Posted By: kondapalli Member Level: Gold Posted Date: 08 May 2008
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2007 Jawaharlal Nehru Technological University B.E Mechatronics MANUFACTURING TECHNOLOGY setno3 Question paper
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1. (a) Write the advantages of Casting over other Manufacturing processes.
(b) Describe various types of Pattern materials. [8+8]
2. (a) Describe Cold Chamber Die Casting Machine with a neat sketch.
(b) Discuss the factors to be considered in the choice of Metal Melting Furnaces.
[10+6]
3. (a) Define rolling and describe various types of rolling mills.
(b) Explain blanking process with a neat sketch. [10+6]
4. (a) Describe the spinning process with a neat sketch.
(b) Explain the advantages of backward extrusion process over forward extrusion
processes. [8+8]
5. (a) What are the various parameters to be considered in selecting the presses or
power hammers for forging operations?
(b) Sketch and explain the working mechanism of Knuckle Joint press and give
the advantages and limitations. [6+10]
6. (a) Differentiate between gas and arc welding processes and mention their appli-
cations and limitations.
(b) Describe the characteristics of various flames used in gas welding and their
applications. [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) Differentiate between a measuring instrument and a comparator. Explain their
applications.
(b) What is best wire size? Derive an equation to find the diameter of best wire
size. [8+8]
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