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

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

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Industrial Engineering and Production Management
The correct sequence of phases in value engineering is

Creative phase, information phase, investigation phase, evaluation phase
Information phase, creative phase, investigation phase, evaluation phase
Investigation phase, information phase, creative phase, evaluation phase
Creative phase, investigation phase, evaluation phase, information phase

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Industrial Engineering and Production Management
Travel charts provide

A compact estimate of the handling which must be done between various work sections
An approximate estimate of the handling which must be done at a particular station
The information for changes required in rearranging material handling equipment
An idea of the flow of materials at various stages

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