Production and Industrial Engineering
2024 · Paper 1
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Complete GATE PI 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.
Question 37
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In the iron-carbon equilibrium phase diagram, the temperature and composition of the eutectoid point are 727 °C and 0.77 weight % carbon, respectively. If a steel specimen with 1.2 weight % carbon is cooled from 1000 °C to the room temperature, then the fraction of pro-eutectoid cementite phase in the steel is ____ (Rounded off to 2 decimal places)
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For polymers, match each process with the most suitable application listed.
Process: P — Extrusion; Q — Injection molding; R — Blow molding; S — Compression molding.
Application: 1 — Producing complex parts with close tolerance; 2 — Producing thermosetting plastic components; 3 — Producing long uniform sections; 4 — Producing hollow shapes.
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In a forming operation, the plastic deformation of a steel specimen starts under plane stress condition, where the principal stresses are
MPa and
MPa. If the steel specimen follows von-Mises yield criterion, then the uniaxial tensile yield strength (in MPa) of this steel material is ____ (Rounded off to 1 decimal place)Your answerChoose one option.
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