Download GTU B.Tech 2020 Summer 4th Sem 3140204 Automotive Manufacturing Processes And Technology Question Paper

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Subject Code: 3140204
BE - SEMESTER- IV EXAMINATION - SUMMER 2020

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Subject Name: Automotive Manufacturing Processes and Technology
Time: 10:30 AM TO 01:00 PM
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.

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3. Figures to the right indicate full marks.

Q.1 (a) Classify welding processes & define fusion welding & Pressure welding. MARKS 03
(b) Explain the steps involved in sand casting process. MARKS 04
(c) What do you mean by Machining processes? Explain its importance & applications in automobile industries. MARKS 07

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Q.2 (a) Explain any three types of patterns used in casting. MARKS 03
(b) Give difference between hot working & cold working processes. MARKS 04
(c) Explain Principles and Application of Oxy-acetylene gas welding with neat sketch. MARKS 07

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OR

Q.2 (a) Explain MIG welding process with neat sketch. MARKS 03
(b) Explain any three super finishing process. MARKS 04
(c) Explain Abrasive Jet machining process. MARKS 07

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Q.3 (a) What is extrusion? Explain direct and indirect extrusion process with neat sketch. MARKS 03
(b) Enlist the operations performed on lathe machine & explain any one. MARKS 04
(c) Explain Ultrasonic machining process. MARKS 07

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OR

Q.3 (a) Describe sheet metal cutting operations with suitable sketch. MARKS 03
(b) Explain Up Milling & Down Milling operations. MARKS 04
(c) Explain drop forging and roll forging processes. MARKS 07

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Q.4 (a) Explain steps involved in Investment casting process with neat sketch. MARKS 03
(b) Write functions of riser and runner in casting. MARKS 04
(c) Explain difference between planer shaper and slotter. MARKS 07

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OR

Q.4 (a) Explain centrifugal casting process & states its advantages and applications. MARKS 03
(b) What are the main advantages of gas welding over arc welding MARKS 04
(c) Enlist General Properties of Plastics & explain any two. MARKS 07

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Q.5 (a) Explain Laser Beam Machining process with neat sketch. MARKS 03
(b) Name a few inert gases and their functions in welding MARKS 04
(c) Explain Classification of Plastics in detailed. MARKS 07

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OR

Q.5 (a) Explain Injection moulding process for Plastic part manufacturing. MARKS 03
(b) MARKS 04
(c) MARKS 07

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GUJARAT TECHNOLOGICAL UNIVERSITY
Date: 29/10/2020
Total Marks: 70

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