Industrial Engineering and Production Management
A-B-C analysis

Is meant for relative inventory control
All of the these
Is a basic technique of materials management
Does not depend upon the unit cost of the item but on its annual consumption

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Industrial Engineering and Production Management
The basic difference between PERT and CPM is that

PERT deals with events and CPM with activities
Costs are considered on CPM only and not in PERT
Critical path is determined in PERT only
Guessed times are used in PERT and evaluated times in CPM

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

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