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Test Paper - Production Technology - Jawaharlal Nehru Technological University - Mechanical Engineering - Set 2, Study notes of Production Engineering

Jawaharlal nehru technological university, Production Technology ,bachelor of technology - Mechanical engineering , 2008, casting process, production process, cruicable furnace, metals in cupola, fusion zone, filler metal, wielding, rolling process, hydraulic press, excursion, thermostat plasting

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Uploaded on 09/24/2011

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Code No: R05310303 Set No. 2
III B.Tech I Semester Regular Examinations, November 2008
PRODUCTION TECHNOLOGY
( Common to Mechanical Engineering, Mechatronics and Automobile
Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) What are the advantages of casting process over other production processes?
(b) Give advantages of different pattern materials? [8+8]
2. (a) What are crucible furnaces? Where are they preferred and why?
(b) Explain the reasons for using the flux in melting of metals in cupola. [8+8]
3. (a) Why is it possible for fusion zone to have a chemistry that is different from
that of the filler metal? Explain.
(b) Sketch and explain various welding positions? Give their applications [8+8]
4. (a) List and explain the destructive tests applied in welding.
(b) What are the essential steps in brazing operation? [9+7]
5. (a) How is roll forming fundamentals different from rolling process.
(b) Distinguish between plastic formations in single crystals and polycrystalline
aggregates. [8+8]
6. (a) Write short notes on elements of die and press.
(b) Explain the working of hydraulic press with neat sketch. [8+8]
7. (a) Describe deformation in extrusion and explain possible defects and suitable
remedies?
(b) Derive an equation for ideal extrusion pressure. [8+8]
8. (a) Distinguish between thermosetting plastics and thermoplastics. Give their
applications.
(b) List few components manufactured by the injection moulding and justify why
they are manufactured by this process. [8+8]
? ? ? ? ?
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Code No: R05310303 Set No. 2

III B.Tech I Semester Regular Examinations, November 2008 PRODUCTION TECHNOLOGY ( Common to Mechanical Engineering, Mechatronics and Automobile Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????

  1. (a) What are the advantages of casting process over other production processes? (b) Give advantages of different pattern materials? [8+8]
  2. (a) What are crucible furnaces? Where are they preferred and why? (b) Explain the reasons for using the flux in melting of metals in cupola. [8+8]
  3. (a) Why is it possible for fusion zone to have a chemistry that is different from that of the filler metal? Explain. (b) Sketch and explain various welding positions? Give their applications [8+8]
  4. (a) List and explain the destructive tests applied in welding. (b) What are the essential steps in brazing operation? [9+7]
  5. (a) How is roll forming fundamentals different from rolling process. (b) Distinguish between plastic formations in single crystals and polycrystalline aggregates. [8+8]
  6. (a) Write short notes on elements of die and press. (b) Explain the working of hydraulic press with neat sketch. [8+8]
  7. (a) Describe deformation in extrusion and explain possible defects and suitable remedies? (b) Derive an equation for ideal extrusion pressure. [8+8]
  8. (a) Distinguish between thermosetting plastics and thermoplastics. Give their applications. (b) List few components manufactured by the injection moulding and justify why they are manufactured by this process. [8+8]

?????

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