GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III (New) EXAMINATION — WINTER 2019
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Subject Code: 2133404 Date: 3/12/2019
Subject Name: Basic Manufacturing Processes
Time: 02:30 PM TO 05:00 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) Describe types of Production. 03
(b) Explain the working of lathe machine. 04
(c) Write down the Main parts of a lathe and Explain any one in detail with neat diagram. 07
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Q.2 (a) Draw a block diagram of shaper 03
(b) Describe the classification of shaping machine 04
(c) Explain any one work holding devices used in a Planer with neat diagrams. 07
OR
(c) Explain any two work holding devices used in a shaping machine with diagrams. 07
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Q.3 (a) State any two differences between the processes of reaming and boring. 03
(b) Explain any two drill holding devices. 04
(c) Explain any four operations performed in a drilling machine. 07
OR
Q.3 (a) Name any four work holding devices used in a drilling machine. 03
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(b) List out the types drilling machines and explain any one detail. 04
(c) Explain the nomenclature of a twist drill with a diagram. 07
Q.4 (a) What are the types of milling machines? 03
(b) List out various milling machine attachments and any one detail. 04
(c) Explain — Up milling, Down milling. 07
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OR
Q.4 (a) What are the types of peripheral milling? 03
(b) What are the differences between a plain milling machine and a universal milling machine? 04
(c) Draw a neat diagram of a plain milling cutter and explain its nomenclature. 07
Q.5 (a) What are the four types of surface grinders? 03
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(b) Explain ‘Dressing’ of a grinding wheel with a diagram. 04
(c) Explain ‘mounting’ of a grinding wheel with a suitable diagram. 07
OR
Q.5 (a) What are the reasons for chattering? 03
(b) Explain ‘Truing’ of a grinding wheel 04
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(c) Draw and explain an external cylindrical grinder. 07
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