GATE PI concept:time-study PYQs & Answers

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Topic practice 4 questionsPage 1 of 1

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 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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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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GATE PI concept:time-study PYQs

How to practice concept:time-study

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