Industrial Engineering and Production Management
In a PERT chart

Only selected activities are numbered
Only important activities should be numbered
Only critical activities are numbered
All activities should be numbered

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

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

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Industrial Engineering and Production Management
Dispatching

Determines the programme for the operations
Regulates the progress of job through various processes
Is concerned with the starting of processes
Prescribes the sequence of operations to be followed

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