Industrial Engineering and Production Management
Work study is concerned with

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

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Industrial Engineering and Production Management
The assumption in PERT is

Activities are fixed and can't be changed
A project can be subdivided into a set of predictable, independent activities
A project will always be behind schedule, if left uncorrected
Cost of project will always be more than the estimated cost, if no timely corrections are taken

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