Industrial Engineering and Production Management
Which of the following are the guidelines for the construction of a network diagram?

All of the these
Each activity is represented by one and only one arrow in the network
Dummy activity consumes no time or resource
Dangling must be avoided in a network diagram

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

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

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