Industrial Engineering and Production Management
In a PERT chart

All activities should be numbered
Only selected activities are numbered
Only critical activities are numbered
Only important activities should be numbered

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Industrial Engineering and Production Management
In order that linear programming techniques provide valid results

Either (A) or (B)
Relations between factors must be linear (positive)
Relations between factors must be linear (negative)
Only one factor should change at a time, others remaining constant

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Industrial Engineering and Production Management
Work study is mainly aimed at

Determining the most efficient method of performing a job
Developing the standard method and standard time of a job
Establishing the minimum time of completion of a job
Economizing the motions involved on the part of the worker while performing a job

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