Gujarat Technological UniversitySummer 2025 examination

GTU 2171903 Computer Aided Manufacturing Summer 2025 Question Paper & PDF

B.E. · Mechanical Engineering · Semester 7 · Subject code 2171903
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Describe in short, the types of manufacturing system used in industries.
(b)
4 marks
Explain Components of CIM.
(c)
7 marks

Write a complete part program for the component shown in fig.1. The raw material MS Φ32 X 50 mm, cutting speed V=40 m/min and feed-0.1 mm/rev.

GTU Computer Aided Manufacturing (2171903) Summer 2025 Question 1(c) Diagram

Q.2

14 Marks
(a)
3 marks

What is Part Family? List different methods used to make part families.

(b)
4 marks
Explain clearly the difference between NC, CNC and DNC machine.
(c)
7 marks
Write a manual part program for profile milling of the job as shown in fig 2.

All dimensions are in mm. Assume suitable tools and cutting parameter for the manufacturing of the job.

GTU Computer Aided Manufacturing (2171903) Summer 2025 Question 2(c) Diagram
(c)
7 marks

List various feedback devices used in CNC machine. Explain working principle of Rotary encoder with neat sketch.

Q.3

14 Marks
(a)
3 marks
Differentiate clearly between GT and FMS.
(b)
4 marks
Explain in detail composite part concept.
(c)
7 marks

Why is part classification and coding required in GT. Explain OPTIZ system of coding?

(a)
3 marks
What is modal and non-modal code? Give example of each.
(b)
4 marks
List essential elements of a PLC system.
(c)
7 marks
Explain the types of AS/RS and its applications.

Q.4

14 Marks
(a)
3 marks
Describe the terms with reference to Robot: 1. Payload, 2. Work envelop, 3.

Wrist motions: Roll, Pitch and Yaw

(b)
4 marks
With a neat sketch classify different robot configurations.
(c)
7 marks

Explain major functions of process planning and main problems associated with manual process planning.

(a)
3 marks
Differentiate between a SCARA and a gantry robot.
(b)
4 marks
Write a brief note on position sensors used in robots.
(c)
7 marks

Explain with neat sketch the various types of layouts used in FMS design and their applications.

Q.5

14 Marks
(a)
3 marks
Explain the role of CMM in Computer Aided Quality Control.
(b)
4 marks
Explain concept of JIT. List various advantages of JIT in manufacturing.
(c)
7 marks

Describe the methods for programming robots. What are the advantages of each method?

(a)
3 marks
What are different elements of a CMM?
(b)
4 marks
Draw the structure of an MRP system.
(c)
7 marks

What is computer integrated production management system? Explain with neat flow chart

More Computer Aided Manufacturing papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions

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About this paper

Official Gujarat Technological University (GTU) examination paper for Computer Aided Manufacturing (Summer 2025, B.E. · Mechanical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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