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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Industrial Engineering and Production Management
Value engineering aims at finding out the

Break-even point when machine requires change
Major function of the item and accomplishing the same at least cost without change in quality
Resale value of a product
Depreciation value of a product

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