Industrial Engineering and Production Management
Work study is concerned with

Motivation of workers
Improving present method and finding standard time
Improving production planning and control
Improving production capability

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Industrial Engineering and Production Management
The important file in making a PERT is

All of the these
Length of arrow has nothing to do with time
No activity from any event can be started from preceding event till it is completed
An event can't be accomplished until activities leading to it are completed

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