GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018
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Subject Code:2150206 Date:20/11/2018
Subject Name: Automotive manufacturing
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Write the difference between hot working and cold working process. 03
(b) Explain rod drawing process and wire drawing process. 04
(c) Explain forging operations. 07
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Q.2 (a) State the use of simple die, compound dies and combination die. 03
(b) Differentiate between forward extrusion and backward extrusion process. 04
(c) Explain sheet metal operations. 07
OR
(c) State the benefits of strip layout and write short note on strip layout for sheet metal. 07
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Q.3 (a) Define forming process, casting process and joining process. 03
(b) State the function of fixtures, jigs, locating devices and clamping devices. 04
(c) Explain 3-2-1 principle of location with neat sketch. 07
OR
Q.3 (a) List types of welding and draw the figure of TIG welding with notation. 03
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(b) List types of jigs and explain indexing jig 04
(c) Explain working of Metal inert gas welding technique. 07
Q.4 (a) Write the difference between soldering and brazing techniques for joining process. 03
(b) Explain working of quick acting nut. 04
(c) Explain casting defects and its remedies. 07
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OR
Q.4 (a) State the function of pattern, core and moulding sand used in casting process. 03
(b) Explain pattern allowances. 04
(c) Explain investment casting process. 07
Q.5 (a) Write short note on advanced manufacturing processes. 03
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(b) Draw the figure of Laser beam welding and SMAW 04
(c) Explain working of cupola with neat sketch. 07
OR
Q.5 (a) Explain burnishing process for super finishing process. 03
(b) State the function of riser, sprue, vent hole and gating system of casting. 04
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(c) Explain ECM machining process with neat sketch 07
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