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Mary is the project manager for her company. She's working with the project team to compress the project schedule as the project must be completed by December 30. For some of the project activities, she and the project team have agreed to crash the project work. What must be true of these project activities for crashing to be acceptable?
Correct Answer: B
Explanation/Reference: Explanation: Crashing is the addition of project resources to complete effort-driven activities in faster time. By adding more labor the activity can be completed faster. Crashing is a schedule compression technique to obtain the greatest amount of compression for the least incremental cost. Crashing works for activities where additional resources will shorten the duration. Approving overtime, bringing in additional resources, paying to expedite delivery to activities on the critical path are examples of crashing. Incorrect Answers: A: An activity of fixed duration, such as printing 100,000 brochures in a printing press, won't be completed faster by adding more effort. C: All effort-driven activities are susceptible to the Law of Diminishing Returns. By adding more labor the value of the yield of the work decreases because of the cost of the labor added to the project work. D: Activities need not be risk-free to use project crashing.