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

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

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Industrial Engineering and Production Management
Critical Path Net Work helps an engineer

To divert the resources from noncritical advanced activities to critical activities
To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
To concentrate his attention on critical activities
All of these

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