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

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

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Industrial Engineering and Production Management
The critical path of a network represents

The maximum time required for completion of project
Minimum cost required for completion of project
The minimum time required for completion of project
Maximum cost required for completion of project

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