A positive slack value calculated on a PERT network signals that the project________________?
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Answer: A. ahead of schedule
Explanation
A positive slack value calculated on a PERT network signals that the project or task is ahead of schedule. Slack represents the amount of extra time leeway available without delaying the overall project completion date. Positive float indicates that activities possess spare time buffers and do not restrict the critical path. Total float or slack is calculated as the difference between latest finish time and earliest finish time. Critical path activities maintain zero or negative slack, meaning any delay directly pushes out project completion. Project managers monitor slack values to reallocate resources from non-critical tasks to critical path bottlenecks.
Beyond schedule describes negative slack situations where projects are delayed relative to required deadlines. As per schedule typically describes zero slack baseline conditions or tasks right on target without extra float. Being on the critical path indicates zero slack rather than a positive slack time leeway value.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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