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Name the various patterns that are normally encountered in the foundry practices.
Differentiate between hot working and cold working process in terms of working temperature, grain size developed, defects generation, residual stresses, dimensional tolerances, and mechanical properties.
With the help of a neat sketch explain where sweep patterns are employed.
Compare precision investment casting and shell moulding from the standpoint of process, product, and applications.
What are the typical situations in which the following casting processes are used?
Draw a clean sketch of the oxidizing flame. Mention the materials that are welded with this flame.
What is arc blow? Enlist some of the methods that are used to reduce the severity of the arc-blow problem.
Describe the thermit welding process and also state its specific advantages and applications.
Describe the carburizing flame with a neat sketch. Mention the materials which use this flame for welding.
Briefly explain the coding method used for the electrodes used in Manual metal-arc welding.
Enlist the defects that are generally found in welding. Describe their cause and remedies.
Give the three names of thermoplastic and thermosetting plastic materials.
State forging applications. Draw the schematic of stress flow patterns of (a) cast (b) forged part
Explain with sketches the difference between direct and indirect extrusion.
Name the processes used for making
Describe the closed impression die forging operation with sketches
Explain briefly the following forging operations with neat sketches: (a) Coining operations: (b) Heading operation; (c) Punching operation (d) Blanking
Compare various surface finishing processes in terms of tolerance and roughness.
Discuss the process of stretch blow-moulding with neat sketches.
Differentiate between the lapping and polishing process in terms of finishing mechanism, surface produced, and metal removal rate,
Describe the thermoforming process. What are its applications?
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
BE Mechanical
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Official Gujarat Technological University (GTU) examination paper for Manufacturing Technology (Summer 2023, 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.
3151912 Manufacturing Technology
Official GTU PDF · Summer 2023
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