GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (OLD) EXAMINATION — SUMMER 2019
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Subject Code: 171903 Date: 16/05/2019
Subject Name: Computer Integrated Manufacturing
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) Compare CNC machines with conventional machines in regard to hardware used in them. [07]
(b) What are part classification and coding requirements in GT ? Explain OPITZ’s system of coding. [07]
Q.2 (a) Which are the formats used for manual part programming? Explain word address format. Write word address format for milling and drilling operations. [07]
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(b) Explain canned cycle used for CNC programming with suitable example. [07]OR
(b) What are the auxiliary statements in APT language? Explain with suitable Examples any four auxiliary commands. [07]
Q.3 (a) Explain in brief Economic Evaluation of investment in robotic Installation. [07]
(b) Explain with neat diagram retrieval type of CAPP. [07]
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OR
Q.3 (a) Sketch SCARA robot and explain its degree of freedom and motion. [07]
(b) What is CAPP? Differentiate variant and generative CAPP. [07]
Q.4 (a) Explain Manufacturing Resource planning (MRP-II). [07]
(b) Define FMS. Which are the components of FMS? Draw FMS layouts. [07]
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OR
Q.4 (a) What are the objectives of MRP system? State various inputs to MRP system. Draw an MRP structure. [07]
(b) Explain with neat sketch AS/RS system used in FMS. [07]
Q.5 (a) What are the objectives of CIM? Which major functional areas of the manufacturing enterprise considered for achieving CIM objectives? What are the benefits of CIM [07]
(b) Explain the role of CMM in Computer Aided Quality Control. What are different elements of a CMM? [07]
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OR
Q.5 (a) State various compensations used in CNC machines. Explain tool length compensation with neat sketch. [07]
(b) Define Group Technology (GT). State the main two hurdles in its implementation. Enlist various benefits of GT implementation in the industry. [07]
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