Industrial Engineering and Production Management
Time study is used to

All of the these
Determine standard costs
Provide a basis for setting piece price or incentive wages
Determine the number of machines a person may run

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

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
No activity from any event can be started from preceding event till it is completed

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