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

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

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Industrial Engineering and Production Management
Which of the following statement is correct about the network diagram?

The tail end of the arrow represents the start of an activity.
All of the these
The head of the arrow represents the end of an activity.
The events are represented graphically by circles or nodes at the beginning and the end of activity by arrows.

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