Production and Industrial Engineering
GATE PI year:2021 PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.
Question 1
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A product has an exponential time-to-failure distribution with a constant failure rate of 0.0006 per hour. The reliability of the product after 400 hours of operation is
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In a typical product development process under concurrent engineering approach, all elements of product life cycle from conception to disposal are considered at
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When acceptance number of a single sampling plan under attribute category is zero with sample size less than or equal to 10, the Operating Characteristic (OC) curve is
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Which one of the following is an improvement type heuristic algorithm for computerized layout design technique?
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Which one of the following is NOT a measure of forecast error?
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Pearlite microstructure in an eutectoid steel consists of alternating layers of two phases, namely α ferrite and
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Which one of the following defects is NOT associated with welding processes?
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Match the component with the corresponding manufacturing process in the table below.
Component | Manufacturing process |
|---|---|
P: Aluminum alloy piston for IC engine | 1: Blow molding |
Q: Low carbon steel oil pan | 2: Powder metallurgy |
R: Tungsten carbide cutting tool insert | 3: Sand casting |
S: Plastic bottle | 4: Deep drawing |
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In a turning operation, doubling the cutting speed (
) reduces the tool life (
) to
th of the original tool life. The exponent
in the Taylor’s tool life equation,
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Which one among the following mechanisms is NOT used for transforming rotation to translation in machine tools?
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