GATE PI topic:work-system-design PYQs & Answers

Questions 1–10 of 18. Imported answers require independent review unless marked reviewed.

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?

Diagram for Production and Industrial Engineering question 50

Your answerSelect all correct options. You can choose more than one.

The work distribution between the two hands is not balanced.

The two hands do not follow opposite motions.

The work is well distributed between the two hands.

The dominant hand of the operator performs majority of the tasks.

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A time study was carried out for a job broken into two elements. For each element, three iterations of task were observed, and observed time was recorded. The observed times (in seconds) and the rating factor for each element are given in the table.

Work element	Observed time (seconds)	Rating factor
A	20; 25; 21	105%
B	19; 17; 18	90%

If a further 20% needs to be added for allowances, then the standard output of the worker is _____ units per hour (in integer).

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In a work sampling, out of

observations, a worker was sitting idle in

observations. The standard deviation of the mean proportion of idle time is given by

Your answerChoose one option.

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A worker is allowed half an hour personal time in a normal 8-hour shift. If the normal time for manufacturing a product is 5 minutes, the standard time (in second) is________. (Answer in integer)

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Which one of the following THERBLIGS does not advance the progress of the work and can be eliminated by applying the principles of motion economy?

Your answerChoose one option.

Move

Grasp

Preposition

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If work sampling is carried out using a large number of observations, then the required sample size is estimated using

Your answerChoose one option.

Poison distribution

Uniform distribution

Normal distribution

Exponential distribution

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In a time study, the average time taken for packing a product in a warehouse by a worker with 120% performance rating is observed as 9 minutes. Assuming an allowance of 10% of the standard time, the standard time (in minutes) for packing is ________. (Answer in integer)

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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.

Your answerChoose one option.

P – 3, Q – 4, R – 2, S – 1

P – 3, Q – 1, R – 2, S – 4

P – 2, Q – 4, R – 3, S – 1

P – 2, Q – 1, R – 3, S – 4

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The work sampling study, with 100 observations, revealed 25 % idle time of a worker. The number of observations required for ±10 % accuracy and 95.45 % confidence level is _____ (in integer).

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Match the symbols with their meanings.

Therbl symbol: P

Diagram for Production and Industrial Engineering question 21

; Q

Diagram for Production and Industrial Engineering question 21 (figure 2)

; R

Diagram for Production and Industrial Engineering question 21 (figure 3)

; S

Diagram for Production and Industrial Engineering question 21 (figure 4)

. Meaning: 1 Rest for overcoming fatigue; 2 Avoidable delay; 3 Inspect; 4 Search.

Your answerChoose one option.

P-4, Q-3, R-1, S-2

P-4, Q-3, R-2, S-1

P-3, Q-4, R-1, S-2

P-3, Q-4, R-2, S-1

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GATE PI topic:work-system-design PYQs

How to practice topic:work-system-design

Question 50

Question 62

Question 19

Question 48

Question 21

Question 22

Question 61

Question 42

Question 50

Question 21