Q.1
14 Marks(a)
Explain Polarity in arc welding.
(b)
Differentiate between the super finishing processes of horning, buffing, and lapping.
(c)
Describe the casting defects in detail using a diagram.
Gujarat Technological UniversitySummer 2024 examination
GTU 3151912 Manufacturing Technology Summer 2024 Question Paper & PDF
B.E. · Mechanical Engineering · Semester 5 · Subject code 3151912
- 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)
Discuss the following casting-related terms: (i) Allowance for shrinkage (ii) Allowance for machining
(b)
Examine the differences between the cast and forged components with regard to defects directional characteristics, and grain size.
(c)
Classify the manufacturing Processes in detail.
OR
(c)
Explain Investment casting process
Q.3
14 Marks(a)
Discuss about the basic characteristics of plastics.
(b)
Derive the equation for the length of the deformation zone during the rolling operation.
(c)
Draw the three different kinds of flames that are utilized in oxy-acetylene welding. List each's purposes.
OR
(a)
Describe the coating's purpose for an arc welding electrode.
(b)
Explain the steps involved in drawing wire and tubes.
(c)
Give a brief explanation of the explosive welding process using a diagram and list the name of the solid-state welding procedure.
Q.4
14 Marks(a)
Why is a gating system's down sprue tapered?
(b)
Describe the roll pass procedure in full.
(c)
Illustrate Metal inert Gas welding with a neat sketch.
OR
(a)
How does casting work? List the sand casting process step-by-step.
(b)
Distinguish between the processes of extrusion, direct and indirect.
(c)
Differentiate between the welding methods using a laser beam and plasma.
Q.5
14 Marks(a)
Explain the characteristics and uses of any three thermosetting polymers.
(b)
Explain Process of die casting using a line diagram.
(c)
Describe the different kinds of forging defects and list the names of four products that are manufactured via forging.
OR
(a)
Discuss the shearing, piercing, and blanking operations used in sheet metal work.
(b)
Write the four examples of product manufactured using the casting process and list minimum ten tools used in manual sand-casting process.
(c)
Discuss the plastic injection moulding process, including its working principle, benefits, drawbacks, and uses.
More Manufacturing Technology papers
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Other Semester 5 subjects
BE Mechanical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Manufacturing Technology (Summer 2024, B.E. · Mechanical Engineering, Sem 5). 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.