$$ \text { Match the mold elements in the casting process with the most suitable function } $$ .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-baqh{text-align:center;vertical-align:top} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} Column I Column II P. Blind riser I. Casting with internal cavity Q. Chill II. Molten metal reservoir R. Skim bob III. Nucleating agent S. Core IV. Assisting in faster heat removal from melt T. Insulating sleeve V. Removal of impurities U. Inoculant VI. Increasing the solidification time

P-II, Q-IV, R-V, S-I, T-VI, U-III

P-II, Q-V, R-VI, S-I, T-III, U-IV

P-V, Q-I, R-VI, S-III, T-II, U-IV

P-II, Q-IV, R-I, S-V, T-VI, U-III

GATE 2025 Mechanical Engineering PYQ — Production Engineering

GATE 20252025PYQMTFanswer keyexplanationmedium

Production Engineering · Casting

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Drill mode: riser · 1/3

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Recurring concept

Casting has appeared in GATE Mechanical Engineering 71 times across 32 years (2017, 2022, 2023, 2024, 2025, ...).