Industrial Engineering and Production Management
When slack of an activity is positive

It represents that a programme falls behind schedule and additional resources are required to complete the project in time
Any one of the above
It represents a situation where extra resources are available and the completion of project is not delayed
The activity is critical and any delay in its performance will delay the completion of whole project

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Industrial Engineering and Production Management
The purpose of micro-motion study is to

All of these
Train the individual operator regarding the motion economy principles
Help in collecting the motion time data for synthetic time standards
Assist in finding out the most efficient way of doing work

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