Exam 10: Project Scheduling: Lagging, Crashing, and Activity Networks

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What is project crashing and what are three reasons why it might be important to do so?

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The process of accelerating a project is referred to as crashing. Crashing a project directly relates to resource commitment. The more resources we are willing to expend, the faster we can push the project to its finish. There can be good reasons to crash a project, among them are:
The initial schedule may be too optimistic.
Market needs change and the project is in demand earlier than anticipated.
The project has slipped considerably behind schedule.
The contractual situation provides even more incentive to avoid schedule slippage.

Which of these approaches will NOT accelerate the completion of a project?

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B

  -Use the Gantt chart and activity list to determine which resource is used the least.  -Use the Gantt chart and activity list to determine which resource is used the least.   -Use the Gantt chart and activity list to determine which resource is used the least.

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D

  -Use the Gantt chart and activity list to determine which resource is used the most.  -Use the Gantt chart and activity list to determine which resource is used the most.   -Use the Gantt chart and activity list to determine which resource is used the most.

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  -Use the Gantt chart and activity list to determine which resource is used the most.  -Use the Gantt chart and activity list to determine which resource is used the most.   -Use the Gantt chart and activity list to determine which resource is used the most.

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How might a project manager alter a straightforward PERT network to accommodate an inordinately large and complex project?

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  -Which of the activities in the diagram have slack? -Which of the activities in the diagram have slack?

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The least common type of lag relationship occurs when a successor's finish is dependent upon a predecessor's start.

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The most common type of logical sequencing between tasks is referred to as the:

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In order to accelerate completion of a project, the manager must crash critical path activities.

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A project has the activity duration and cost information indicated in the table where all times are in weeks. What is the total cost for completing this project as quickly as possible? A project has the activity duration and cost information indicated in the table where all times are in weeks. What is the total cost for completing this project as quickly as possible?

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Dummy activities have a duration equal to the:

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The most common method for shortening activity durations involves the decision to:

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  -Use the Gantt chart and the activity list to determine which resource is used the least.  -Use the Gantt chart and the activity list to determine which resource is used the least.   -Use the Gantt chart and the activity list to determine which resource is used the least.

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The critical path of this network is: The critical path of this network is:

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  -Use the Gantt chart and the activity list to determine when resource 5 is free.  -Use the Gantt chart and the activity list to determine when resource 5 is free.   -Use the Gantt chart and the activity list to determine when resource 5 is free.

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An activity performed by a subcontractor is scheduled for 20 weeks at an anticipated cost of $100,000. Due to slippage on the critical path you need to reduce this activity by three weeks. If the subcontractor informs you that the activity can be completed in 16 weeks for $200,000, what is the slope for the activity?

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Activity X has the start to finish relationship shown with activity Y and both have early start and finish times as shown. Which statement is BEST? Activity X has the start to finish relationship shown with activity Y and both have early start and finish times as shown. Which statement is BEST?

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AOA is a more useful technique than AON if the project is complex and has many significant milestones.

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  -Use the Gantt chart and the activity list to determine when resource 2 is free.  -Use the Gantt chart and the activity list to determine when resource 2 is free.   -Use the Gantt chart and the activity list to determine when resource 2 is free.

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