The backward pass is a technique used in project scheduling to calculate the latest possible start and finish dates for each activity without delaying the project. It starts from the project's end date and works backward through the network diagram. This calculation helps identify the critical path and determine the amount of float (slack) available for non-critical activities.
Option A: Loop calculationsrefer to iterative processes within network diagrams but do not specifically relate to late date calculations.
Option C: Forward passcalculates the earliest possible start and finish dates for activities.
Option D: Floatis the amount of time that a task can be delayed without affecting the project's end date, not a calculation method.
Therefore,B. Backward passis the correct answer as it is used to determine a schedule’s late dates.
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