Q.1
14 Marks(a)
Determine engineering Strain and True strain.
(b)
How do you represent strain hardening effect?
(c)
Explain electro -hydraulic forming process also write its advantages and disadvantages.
Gujarat Technological UniversitySummer 2026 examination
GTU 2171913 Metal Forming Analysis Summer 2026 Question Paper & PDF
B.E. · Mechanical Engineering · Semester 7 · Subject code 2171913
- 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.2
14 Marks(a)
Explain velocity discontinuities along slip lines with neat sketch.
(b)
State differences between Hot working and Cold working process.
(c)
Explain Two Dimensional Mohr's stress circles.
OR
(c)
Explain briefly about Tresca Yield Criteria with necessary sketch.
Q.3
14 Marks(a)
What do you understand by spring back in press working?
(b)
State differences between Direct and Indirect Extrusion process.
(c)
Explain Friction board Drop Hammer for forging.
OR
(a)
What is Upset Forging?
(b)
What is the effect of following factors on the rolling process ?
i)The co-efficient of friction.
ii)Forward and Backward tension.
iii)Reduction.
iv)Diameter of rolls.
(c)
What is Drawability ? List and discuss factor for affecting to Drawability.
Q.4
14 Marks(a)
Define Angle of Bite and discuss its effect in Rolling process.
(b)
Explain metal flow in compression of circular disc between two flat dies.
(c)
Explain
i)Forming limit diagram and
ii)Anistrophy in sheet metal.
OR
(a)
What do you understand by shear in Punch and Die.
(b)
Explain Clearances in sheet metal operation.
(c)
Explain various Rolling defects in detail.
Q.5
14 Marks(a)
Differentiate between Compound and Progressive Die.
(b)
Define nesting and explain why it is used in sheet metal operation.
(c)
Explain various operation performed on sheet metal press machine.
OR
(a)
Why Lubricants use in Extrusion Process ?
(b)
How is impression die forging different from closed die forging ?
(c)
Drive the formula of rolling load using Slab method with usual notations.
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About this paper
Official Gujarat Technological University (GTU) examination paper for Metal Forming Analysis (Summer 2026, 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.