Industrial Engineering and Production Management
In product layout

Specialized and strict supervision is required
Manufacturing cost rises with a fall in the volume of production
All of these
Machines can not be used to their maximum capacity

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

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

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