Production and Industrial Engineering
2026 · Paper 1
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Complete GATE PI 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 64
Open questionPINAT2 marksNeeds review
Consider an assembly line producing an item through a process involving three activities in the following order: cutting, welding, and polishing. There are three workers available: one is assigned only for cutting, one is assigned only for welding, and one is assigned only for polishing.
The activity time per item is given in the table.
Assuming that the process is running in steady state, the total number of items coming out of the assembly line in six hours is _____ (in integer).
Note: Assume that workers, items, and machines/tools are available as and when needed.
Activity name | Cutting | Welding | Polishing |
|---|---|---|---|
Activity time/item (in minutes) | 30 | 40 | 25 |
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Open questionPINAT2 marksNeeds review
In the composite filament winding process as shown in the figure, the mandrel diameter is 70 mm and is rotating at a speed,
rev/min.If a 45° helical wind angle is needed, the axial velocity,
, of the slider should be _____ m/s (rounded off to two decimal places).Assume
. Ignore the thickness of the composite layers already wound on the mandrel.
Note: Figure is not to scale.
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