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CMA Intermediate · Operations Management and Strategic Management · Project Management, Monitoring and Control

Which statement about free float and total float in a CPM network is correct?

Free float is the delay an activity can absorb without delaying the earliest start of the following activities. It can never exceed total float, which is the delay allowed without delaying the whole project.

  1. AFree float can exceed total float
  2. BFree float is the delay possible without delaying the earliest start of any succeeding activity, and it never exceeds total floatCorrect
  3. CFree float is always equal to total float on the critical path only if costs are minimum
  4. DFree float is the delay possible without delaying project completion

Explanation

Free float is the time an activity can be delayed without affecting the earliest start of its successors; it is at most the total float. The definition in the last option describes total float instead.

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