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

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

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

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

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

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

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