Production and Industrial Engineering
GATE PI topic:production-engineering PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 650. Imported answers require independent review unless marked reviewed.
Question 11
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Which ONE of the following steps is NOT a part of product concept selection?
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Which ONE of the following is FALSE with respect to filler material used in brazing?
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An arc welding process is being carried out with a power source of 6 kW to weld two similar metals. The total energy loss is 50%, the area of cross-section of the weld is 10 mm
, and the specific energy needed to melt the metal is 15 J/mm
.The speed of welding is _____ mm/s.
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Which ONE of the following options represents correctly ALL the constraints resulting in the feasible region for the given linear programming problem as shown in the figure?
Note: Figure not to scale
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Which ONE of the following options is the closest approximation to the value of the given definite integral?
Note: Use numerical integration
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Which ONE of the following is the value of
?where
, and
is an even positive integer.Your answerChoose one option.
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Which ONE of the following CORRECTLY matches the metrology instruments and their respective most common applications?
Metrology Instrument | Application |
|---|---|
P: Sine bar | 1: Surface roughness of milled planar surface |
Q: Profilometer | 2: Planar surface inclination of a part |
R: Vernier calliper | 3: Checking shaft diameter tolerance without direct measurement |
S: Ring GO gauge | 4: Length of any side of a cuboid |
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A plain carbon steel sample of eutectoid composition is heat treated from austenizing temperature to achieve a microstructure consisting of ONLY bainite.
Which ONE of the following is the corresponding heat treatment method?
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An Iron-Carbon alloy at room temperature has pro-eutectoid ferrite as a constituent in the microstructure, that formed above the eutectoid temperature. The alloy also has pearlite as another constituent that has formed below eutectoid temperature.
Which ONE of the following best describes this Iron-Carbon alloy?
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An engineering student is fabricating a setup and needs a key for connecting a shaft to the hub of a rotating machine element. The student uses a sunk key which is tapered and prevents relative axial motion.
Which ONE of the following keys did the student most likely use?
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