GATE Manufacturing Processes II: Machine Tools – Previous Year Questions

7 GATE previous year questions on Machine Tools (Manufacturing Processes II, Production and Industrial Engineering) with answers and explanations, from every paper.

1. GATE 2021 PI Q20 (1 mark, Multiple choice) – Which mechanism does NOT transform rotary motion to translation in machine tools?
2. GATE 2021 PI Q57 (2 marks, Numerical answer) – A shaper removes the top layer of a 750 × 300 mm plate in one depth of cut, with 750 mm along tool travel. Approach and overtravel are 25 mm each;…
3. GATE 2022 PI Q30 (1 mark, Numerical answer) – A lathe cuts a single-start 2 mm pitch thread using a single-start lead screw of pitch 4 mm. Find lead-screw revolutions per workpiece revolution to…
4. GATE 2023 PI Q38 (2 marks, Multiple choice) – Match P: collet; Q: dividing head; R: lead screw, with 1: indexing; 2: thread cutting; 3: holding the tool in place.
5. GATE 2024 PI Q18 (1 mark, Multiple choice) – For simple indexing with a dividing head on a horizontal mill, select crank movement that creates 12 equal disc divisions.
6. GATE 2024 PI Q43 (2 marks, Multiple select) – Which ONE OR MORE items are required to make the shown eccentric hole in a disc on a lathe?
7. GATE 2025 PI Q31 (1 mark, Numerical answer) – A lathe has a single-start lead screw of 6 mm pitch. It cuts a double-start thread of 3 mm pitch while the spindle runs at 400 rpm. Find lead-screw…