Production and Industrial Engineering
2026 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PI 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.
Question 49
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Which ONE or MORE among the following options is/are TRUE for the ideal operating characteristics (OC) curve given in the figure?
Note:
represents the acceptable quality level (AQL) and
represents the lot tolerance percent defective (LTPD).
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The operation chart of a method of assembling nuts and bolts for a left-handed operator has been illustrated in the figure.
Which ONE or MORE among the following options is/are CORRECT?

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Which ONE or MORE among the following work materials is/are NOT commonly machined using diamond cutting tools?
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