Industrial Engineering and Production Management
Work study is most useful

In judging the rating of machines
In judging the output of a man and improving it
In improving industrial relations
Where production activities are involved

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Industrial Engineering and Production Management
Time study is carried out

All of these
By observing and recording the time taken by the operator for an operation
By breaking up each operation into small elements which are measurable with the help of the measuring device accurately
By finding all the significant informations regarding the job, work place and machine tool etc

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