Industrial Engineering and Production Management
The assumption in PERT is

Activities are fixed and can't be changed
A project will always be behind schedule, if left uncorrected
Cost of project will always be more than the estimated cost, if no timely corrections are taken
A project can be subdivided into a set of predictable, independent activities

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

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

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