Project Management, Inventory Control, and Decision Analysis: Comprehensive Multiple-Choice Assessment1. Arcs in a project network indicatea. completion times.b. precedence relationships.c. activities.d. None of the alternatives above iscorrect.2. Activities G, P, and R are the immediate predecessors for activity W. If the earliest finish times for the three are12, 15, and 10, then the earliest start time for Wa. is 10.b. is 12.c. is 15.d. cannot be determined.3. When activity times are uncertain,a. assume they are normally distributed.b. calculate the expected time, using (a + 4m + b)/6.c. use the most likely time.d. calculate the expected time, using (a + m + b)/3.4. Slack equalsa. LFEF.b. EFLF.c. EFLS.d. LFES.5. Activities with zero slacka. can be delayed.b. must be completed first.c. lie on a critical path.d. have no predecessors.6. Inventorya. is held against uncertain usage so that a supply of items is available if needed.b. constitutes a small part of the cost of doing business.c. is not something that can be managed effectively.d. All of the alternatives are correct.7. Inventory models in which the rate of demand is constant are calleda. fixed models.b.deterministic models.c. JIT models.d. requirements models.8. Safety stocka. can be determined by the EOQ formula.b. depends on the inventory position.c. depends on the variability of demand during lead time.Preview Mode
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