Industrial Engineering and Production Management
Process layout is employed

Where similar jobs are manufactured on similar machines
All of these
Where low volume of production is required
Where machines are arranged on functional basis

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Industrial Engineering and Production Management
The basic difference between PERT and CPM is that

Costs are considered on CPM only and not in PERT
Critical path is determined in PERT only
Guessed times are used in PERT and evaluated times in CPM
PERT deals with events and CPM with activities

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Industrial Engineering and Production Management
PERT

All of the listed here
Provides an approach for keeping planning up-to-date
Permits management to foresee quickly the impact of variations from the plan
Provides a way for management to require that planning be done on a uniform and logical basis

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