Operations Management – Project Management – Flashcards
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A code of ethics especially for project? managers: A. does not exist at this time. B. has been established by the Project Management Institute. C. has been formulated by the World Trade Organization. D. has been formulated by the Federal government. E. is? inappropriate, since everyone should use the same guidance on ethical issues.
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B.
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WBS stands for which of the following project management? tools? A. work breakdown schedule B. work break schedule C. work breakdown structure D. work breakdown status E. work break status
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C.
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The main difference between PERT and CPM is? that: A. PERT employs three time estimates for each activity. B. PERT ignores activity costs. C. CPM assumes activity durations can vary. D. PERT is more accurate than CPM. E. PERT assumes that activity durations are known.
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A.
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Which of the following statements regarding CPM networks is? true? A. The late start of an activity is its late finish plus its duration. B. The early finish of an activity is the latest early start of all preceding activities. C. If a specific project has multiple critical? paths, all of them will have the same duration. D. There can be multiple critical paths on the same? project, all with different durations. E. None of the above are true.
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C.
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Every network has at least one critical path.
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True
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A project organization that becomes permanent is often referred to as? a: A. fixed project organization. B. matrix organization. C. standard organization. D. normal organization. E. permanent project organization.
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B.
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Project crashing
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You use the time taken for the project reducing the budget time taken and costs incurred
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Disadvantages of a Gantt chart
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- still difficult to see which tasks are done concurrently/sequentially when there are many tasks to he completed - you can't see how to reallocate resources if one task is taking longer than expected, how to reduce time to complete a task, or what would happen if you have lower staff than expected
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Advantages of a Gantt chart
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Tells you which tasks can be completed simultaneously and how long each task takes
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Who created CPM?
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DuPont created CPM for chemical plants (1957)
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Who created PERT?
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Good, Allen, and Hamilton with the U.S. Navy for Polaris missile (1958)
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Difference between CPM and PERT
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They use a different estimate of activity times. CPM is deterministic (20 days). PERT gives 3 potential outcomes: optimistic (if everything goes right, 16 days), most likely (maybe 21 days), pessimistic (Murphy's law, 30 days)
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