Production and Industrial Engineering
GATE PI format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 131–140 of 367. Imported answers require independent review unless marked reviewed.
Question 40
Open questionPIMCQ2 marksNeeds review
Six jobs (1, 2, 3, 4, 5, 6) undergo drilling, followed by reaming operation. The time required for each operation is given as
Job | Drilling (min) | Reaming (min)
1 | 30 | 45
2 | 30 | 15
3 | 60 | 40
4 | 20 | 25
5 | 35 | 28
6 | 45 | 70
The sequence of processing the jobs, using the Johnson’s rule, is
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Open questionPIMCQ2 marksNeeds review
Match the engineering materials at room temperature with the given crystal structures.
Engineering material: P—Si; Q—Fe; R—Al; S—Zn.
Crystal structure: 1—FCC; 2—HCP; 3—Diamond Cubic; 4—BCC.
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Open questionPIMCQ2 marksNeeds review
Match the recording techniques used in method study with the most appropriate application areas.
Recording technique: P—Outline process chart; Q—String diagram; R—Multiple activity chart; S—Two-handed process chart.
Application area: 1—Factory layout – movement of workers; 2—Gang work; 3—Complete manufacturing sequence of a product; 4—Manual assembly of nuts and bolts.
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Open questionPIMCQ2 marksNeeds review
Match the products to be manufactured with the given metal working processes.
Product: P—Beverage can; Q—Seamless pipe; R—Connecting rod; S—Steel balls for bearing.
Process: 1—Forging; 2—Skew Rolling; 3—Extrusion; 4—Deep Drawing.
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The dual of a LPP is
subject to,
and
for
The objective function of the primal is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 45
Open questionPIMCQ2 marksNeeds review
There are four locations (P, Q, R, S) and four factors to be considered for setting up a facility. The scores (on a scale of 0 to 10, with 10 being the maximum) for the given locations and the weight assigned to each factor are given as
Factor | Weight | P | Q | R | S |
|---|---|---|---|---|---|
Availability of raw material | 0.4 | 6 | 8 | 5 | 4 |
Availability of skilled labor | 0.3 | 7 | 4 | 10 | 6 |
Infrastructure | 0.2 | 8 | 3 | 10 | 8 |
Proximity to market | 0.1 | 10 | 8 | 7 | 5 |
The best location for setting up the facility is
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Open questionPIMCQ2 marksNeeds review
As per the Fe-C phase diagram, the microstructure of plain carbon steel with 0.4 wt.% carbon at room temperature contains
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The most appropriate process for manufacturing of plastic chair is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionGAMCQ1 markNeeds review
Inhaling the smoke from a burning ________ could ________ you quickly.
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Open questionGAMCQ1 markNeeds review
A sphere of radius
cm is packed in a box of cubical shape. What should be the minimum volume (in cm
) of the box that can enclose the sphere?Your answerChoose one option.
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