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

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

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

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