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

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

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Industrial Engineering and Production Management
The important file in making a PERT is

All of the these
No activity from any event can be started from preceding event till it is completed
An event can't be accomplished until activities leading to it are completed
Length of arrow has nothing to do with time

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