GATE PI topic:work-system-design PYQs & Answers — Page 2

Questions 11–18 of 18. Imported answers require independent review unless marked reviewed.

A time study engineer recorded the cycle time (in minute) for machining of a component. The recorded time study data is provided in the table. The performance rating of the worker is 110%. The standard time for machining (in minute) the component by assuming 10% allowance is____________. [round off to nearest integer]

Time study data

Cycle time (minute) | Frequency 42 | 1 43 | 2 44 | 3 45 | 2 46 | 1

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A time study is carried out for a spot welding operation which is being performed by an operator. The time taken (in seconds) for five observations are recorded as 40, 35, 45, 37 and 43, respectively. If the standard time and the allowance for this operation are 45 seconds and 9 seconds, respectively, then the performance rating (in percentage) of the operator is ________. [in integer]

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In a work study experiment, it is observed that a worker completes a job in an average time of 15 minutes with a performance rating of 120%. The time required for another worker having a performance rating of 80% to complete the same job (rounded off to one decimal place) in minutes is ____________.

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In a work study experiment, normal time was recorded as 140 s with a rating of 100%. Considering 2% allowance, the standard time (in s) is _____ (round off to 1 decimal place)

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The man-hours required (

) to manufacture the

unit in a plant is given by

, where

at the 80% learning rate. If the manufacturing time for the first unit (

) is 80 man-hours, the total time (in man-hours) required to manufacture the first 4 units, at 80% learning rate, is

Your answerChoose one option.

322.11

251.35

103.76

51.19

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In ASME process chart, the symbol □ represents

Your answerChoose one option.

operation

inspection

delay

transport

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In a work sampling study of a worker, the information available are as follows: total time of study: 30 hour, number of items produced: 320, total number of observations: 100, number of observations when worker is found working: 80 and average performance rating: 105%. Company policy is to give allowance of 10% of total time on the job. The standard time (in minute per item, up to one decimal place) for manufacturing the item is _____

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Match the ASME process chart symbols with their correct description

Symbols: P. ○; Q. →; R. □; S. ▽; T. D

Description: 1. STORAGE; 2. TRANSPORTATION; 3. OPERATION; 4. DELAY; 5. INSPECTION

Your answerChoose one option.

P-3, Q-4, R-1, S-5, T-2

P-4, Q-2, R-5, S-1, T-3

P-3, Q-2, R-5, S-1, T-4

P-1, Q-5, R-3, S-2, T-4

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GATE PI topic:work-system-design PYQs

Question 60

Question 40

Question 55

Question 24

Question 38

Question 7

Question 47

Question 11