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
All of the these
Each activity is represented by one and only one arrow in the network
Dummy activity consumes no time or resource

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Industrial Engineering and Production Management
A big advantage of PERT over Gantt charts is that in the former case

Early start and late finish of an activity are clearly marked
Interrelationship among activities is clearly shown
Activities and events are clearly shown
Activity times are clear

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