Industrial Engineering and Production Management
The critical path of a network represents

The maximum time required for completion of project
Maximum cost required for completion of project
Minimum cost required for completion of project
The minimum time required for completion of project

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

Any one of the above
It represents that a programme falls behind schedule and additional resources are required to complete the project in time
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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