Gujarat Technological UniversitySummer 2025 examination

GTU 2171913 Metal Forming Analysis Summer 2025 Question Paper & PDF

B.E. · Mechanical Engineering · Semester 7 · Subject code 2171913
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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
Differentiate direct and indirect extrusion process
(b)
4 marks
State difference between hot forming and cold forming process
(c)
7 marks
Derive the formula for Rolling Load using Slab Method with usual notations

Q.2

14 Marks
(a)
3 marks
Explain need of metal forming processes in industries.
(b)
4 marks
Explain Wire Drawing processes in brief.
(c)
7 marks
Explain VonMises & Tresca theory of yielding.
(c)
7 marks
Give short note on Two-Dimensional Mohr's circle method for stress analysis.

Q.3

14 Marks
(a)
3 marks
What do you understand by spring back in press working?
(b)
4 marks
Explain Anistrophy in sheet metal.
(c)
7 marks
Explain about importance of Upper bound and Lower bound theorem in metal forming.
(a)
3 marks
Explain clearance in sheet metal operation.
(b)
4 marks
Differentiate between punching and blanking.
(c)
7 marks
Explain typical arrangement of roll & roll mills with neat sketches.

Q.4

14 Marks
(a)
3 marks
Define
1)Notching
2)Nibbling
3)Slitting, for pres work
(b)
4 marks
How is impression die forging different from closed die forging?
(c)
7 marks
Explain deep drawing process and forces in circular cup drawing with neat sketches.
(a)
3 marks
Explain various Rolling defects
(b)
4 marks
Explain friction board drop hammer for forging.
(c)
7 marks
What is Drawability? List and Discuss factor Affecting to Drawability.

Q.5

14 Marks
(a)
3 marks
Explain Punching operation with neat sketch.
(b)
4 marks
Discuss on materials used for making wire drawing dies.
(c)
7 marks
With neat sketch explain the steps of close die forging process.
(a)
3 marks
Define
i)dry drawing
ii)wet drawing
iii)tube drawing.
(b)
4 marks
Discuss various Forging defects.
(c)
7 marks
Explain in detail about Forming limit curve with a neat sketch.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Metal Forming Analysis (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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