Q.1
14 Marks(a)
List various plastic molding methods. Explain any one in brief
(b)
Elaborate on powder coating process in brief
(c)
State various super finishing processes. Explain any one super finishing process with neat sketch
Gujarat Technological UniversitySummer 2026 examination
GTU 3151912 Manufacturing Technology Summer 2026 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)
Elaborate on various physical properties of plastic
(b)
State the functions of
1)facing sand
2)backing sand
3)system sand and
4)core
sand
(c)
Discuss working of cupola furnace in brief with required diagram
OR
(c)
What is gating system? What are its functions? Explain any two types of gates with its advantages
Q.3
14 Marks(a)
Define lapping. Explain any one method
(b)
Enlist the types of flames for gas welding and describe any one with neat sketch
(c)
Explain
1)Sweep pattern
2)Match plate pattern with neat sketch
OR
(a)
What are the applications of ceramic coating?
(b)
Explain electron beam welding process with required diagram
(c)
Explain centrifugal casting process with neat diagram
Q.4
14 Marks(a)
List the factors playing a major role in selection of manufacturing process. Discuss any one in brief
(b)
Elaborate on the importance of manufacturing processes in context of the recent developments in industry
(c)
Discuss submerged arc welding process in the context of its characteristic features, types of current, power sources, process variables
OR
(a)
What is straight and reverse polarity? Discuss in brief
(b)
List the types of welding joints and explain any one in brief with required sketch
(c)
Discuss laser beam welding process in the context of its characteristics features, capabilities and its applications
Q.5
14 Marks(a)
Compare brazing and soldering
(b)
Differentiate between direct and indirect extrusion
(c)
Explain blanking, piercing, coining and embossing in brief with required diagrams
OR
(a)
Classify metal joining processes
(b)
Differentiate between forward and backward extrusion processes
(c)
Explain the principle and operation of rolling process
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 2026, 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.