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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 setno4 Question paper
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1. (a) What is meant by seasoning of wood and describe various seasoning methods
for wood.
(b) Describe various pattern allowances [8+8]
2. (a) Describe Semi Centrifugal Casting process with a neat sketch.
(b) Differentiate between Die-Casting and Centrifugal Casting. [10+6]
3. (a) Describe various rolling products used in industries.
(b) How the forces in rolling are estimated? Explain the theory of rolling. [6+10]
4. (a) Explain the Coining process with a neat sketch.
(b) Explain impact extrusion process with a neat sketch. [8+8]
5. (a) Sketch and explain the working of smith’s forge, Anvil, Swage block and var-
ious hammers used in forging.
(b) What precautions are to be taken to maintain proper temperature depending
on the materials to be forged? [10+6]
6. (a) Sketch and explain flash butt welding and mention its advantages and appli-
cations.
(b) Differentiate between spot welding and projection welding [10+6]
7. (a) How the straightness is checked by straight edge and Auto-collimators?
(b) Sketch and explain the construction and working of inside micrometer. [8+8]
8. (a) Differentiate between inter changeability and selective assembly. What are
the advantages and limitations of each one of them?
(b) Describe about limit, fit and allowance. [10+6]
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