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Posted By: Sri Member Level: Gold Posted Date: 15 Dec 2007
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2006 Jawaharlal Nehru Technological University B.Tech Automobile Engineering III/Sem1 Regular Nov'06 Set 2,Production Technology Question paper
Code No: RR312402 Set No.2
III B.Tech. I Semester Regular Examinations, November -2006
PRODUCTION TECHNOLOGY
(Automobile Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Explain how a pattern is different from the final product (casting). [6]
(b) Differentiate between pressurized and unpressurized Gating systems with reference to the applications. [5]
(c) What is a Gating system? Explain briefly. [5]
2. (a) Explain the mechanism of solidification in alloys. [6]
(b) Describe the constructional features of a cupola furnace. [6]
(c) Write about the function of a Riser. [4]
3. (a) Describe the process of Arc welding. [5]
(b) List different welded joints and factors for their choice. [5]
(c) Enumerate any two types of resistance welding. [6]
4. (a) Explain in detail TIG and MIG welding processes and distinguish between
them. [10]
(b) Enumerate the Non-destructive tests used for testing of welded joints. [6]
5. (a) Derive an expression for Driving power per roll. [8]
(b) Explain:
i. Strain hardening
ii. Recovery
iii. Recrystallization
iv. Grain Growth [8]
6. (a) Explain the process of wire drawing. [6]
(b) Enumerate different Forming processes with neat sketches. [6]
(c) Explain coining process. [4]
7. (a) Explain the following
i. Smith forging
ii. Drop forging
iii. Roll forging
iv. Rotary forging [12]
(b) Explain the principle of Impact Extrusion with a neat sketch. [4]
8. (a) List out general properties and applications of Thermosetting plastics. [8]
(b) Explain the principle and working of Injection moulding with a neat sketch.[8]
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