3330 Ch12 - Copy - 12 PROJECT SCHEDULING PERT/CPM MULTIPLE...

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12: PROJECT SCHEDULING: PERT/CPM MULTIPLE CHOICE 1. PERT and CPM a. are most valuable when a small number of activities must be scheduled. b. have different features and are not applied to the same situation. c. do not require a chronological relationship among activities. d. have been combined to develop a procedure that uses the best of each. ANSWER: d TOPIC: Introduction 2. Which is not a significant challenge of project scheduling? a. deadlines exist. b. activities are independent. c. many employees could be required. d. delays are costly. ANSWER: b TOPIC: Introduction 3. Arcs in a project network indicate a. completion times. b. precedence relationships. c. activities. d. the critical path. ANSWER: b TOPIC: Critical path 4. The critical path a. is any path that goes from the starting node to the completion node. b. is a combination of all paths. c. is the shortest path. d. is the longest path. ANSWER: d TOPIC: Critical path 1
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2 Chapter 12 Project Scheduling: PERT/CPM 5. The earliest start time rule a. compares the starting times of all activities for successors of an activity. b. compares the finish times for all immediate predecessors of an activity. c. determines when the project can begin. d. determines when the project must begin. ANSWER: b TOPIC: Critical path 6. Activities following a node a. can begin as soon as any activity preceding the node has been completed. b. have an earliest start time equal to the largest of the earliest finish times for all activities entering the node. c. have a latest start time equal to the largest of the earliest finish times for all activities entering the node. d. None of the alternatives is correct. ANSWER: b TOPIC: Critical path 7. Activities G, P, and R are the immediate predecessors for activity W. If the earliest finish times for the three are 12, 15, and 10, then the earliest start time for W a. is 10. b. is 12. c. is 15. d. cannot be determined. ANSWER: c TOPIC: Critical path 8. Activities K, M and S immediately follow activity H, and their latest start times are 14, 18, and 11. The latest finish time for activity H a. is 11. b. is 14. c. is 18. d. cannot be determined. ANSWER: a TOPIC: Critical path 9. 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. ANSWER: b TOPIC: Uncertain activity times 10. To determine how to crash activity times a. normal activity costs and costs under maximum crashing must be known. b. shortest times with crashing must be known. c. realize that new paths may become critical. d. All of the alternatives are true. ANSWER: d TOPIC: Crashing activity times
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Chapter 12 Project Scheduling: PERT/CPM 3 11. Slack equals a. LF – EF. b.
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3330 Ch12 - Copy - 12 PROJECT SCHEDULING PERT/CPM MULTIPLE...

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