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
Under the Apprenticeship Act

Only industries employing more than 500 workers have to recruit apprentices
Industries have to train apprentices according to their requirement
All industries have to necessarily train the apprentices
All industries employing more than 100 workers have to recruit apprentices

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