Industrial Engineering and Production Management
The important file in making a PERT is

Length of arrow has nothing to do with time
An event can't be accomplished until activities leading to it are completed
All of the these
No activity from any event can be started from preceding event till it is completed

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

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

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