engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Industrial Engineering Operations Research PERT and CPM
When slack of an activity is positive
1
it represents a situation where extra resources are available and the completion of project is not delayed
2
it represents that a programme falls behind schedule and additional resources are required to complete the project in time
3
the activity is critical and any delay in its performance will delay the completion of whole project
4
any one of the above