Chapter 3 - test bank PDF

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Operations Management, Cdn. Ed., 3e (Heizer/Render/Griffin) Chapter 3 Project Management1) The ES of an activity that has only one predecessor is simply the EF of that predecessor. Answer: TRUE Diff: 1 Type: TF Skill: comprehension Objective: LO3 Complete forward and backward passes for a project2) ...

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Operations Management, Cdn. Ed., 3e (Heizer/Render/Griffin) Chapter 3 Project Management 1) The ES of an activity that has only one predecessor is simply the EF of that predecessor. Answer: TRUE Diff: 1 Type: TF Skill: comprehension Objective: LO3 Complete forward and backward passes for a project 2) One phase of a large project is scheduling. Answer: TRUE Diff: 1 Type: TF Skill: knowledge Objective: The importance of project management 3) A project organization works best for an organization when the project resides in only one of its functional areas. Answer: FALSE Diff: 1 Type: TF Skill: comprehension Objective: Project planning 4) By their very nature, projects have a limited lifetime, and that sets project management apart from the management of more traditional activities. Answer: TRUE Diff: 1 Type: TF Skill: comprehension Objective: Project planning 5) One responsibility of a project manager is to make sure that the project meets its quality goals. Answer: TRUE Diff: 2 Type: TF Skill: knowledge Objective: Project planning 6) Work Breakdown Structure is a useful tool in project management because it addresses the timing of individual work elements. Answer: FALSE Diff: 2 Type: TF Skill: knowledge Objective: Project planning

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7) Project managers have their own code of ethics, established by the Project Management Institute. Answer: TRUE Diff: 2 Type: TF Skill: knowledge Objective: Ethical issues faced in project management 8) Ethical issues which can arise in projects include gifts from contractors, pressure to mask delays with false status reports, and pressure to compromise project quality for cost or time savings. Answer: TRUE Diff: 1 Type: TF Skill: knowledge Objective: Ethical issues faced in project management 9) Gantt charts give a timeline for each of a project's activities, but they do not adequately illustrate the interrelationships between the activities and the resources. Answer: TRUE Diff: 2 Type: TF Skill: comprehension Objective: LO1 Use a Gantt chart for scheduling 10) PERT, but not CPM, has the ability to consider the precedence relationships in a project. Answer: FALSE Diff: 2 Type: TF Skill: comprehension Objective: LO5 Calculate the variance of activity times 11) The shortest of all paths through the network is the critical path. Answer: FALSE Diff: 2 Type: TF Skill: comprehension Objective: LO4 Determine a critical path 12) The fundamental difference between PERT and CPM is that PERT uses the beta distribution for crashing projects while CPM uses cost estimates. Answer: FALSE Diff: 3 Type: TF Skill: comprehension Objective: LO5 Calculate the variance of activity times 13) Slack is the amount of time an activity can be delayed without delaying the entire project. Answer: TRUE Diff: 2 Type: TF Skill: knowledge Objective: LO3 Complete forward and backward passes for a project 2 © 2020 Pearson Canada Inc.

14) Every network has at least one critical path. Answer: TRUE Diff: 2 Type: TF Skill: comprehension Objective: LO4 Determine a critical path 15) The critical path can be determined by use of either the "forward pass" or the "backward pass." Answer: FALSE Diff: 2 Type: TF Skill: comprehension Objective: LO4 Determine a critical path 16) The PERT pessimistic time estimate is an estimate of the minimum time an activity will require. Answer: FALSE Diff: 3 Type: TF Skill: comprehension Objective: LO5 Calculate the variance of activity times 17) The standard deviation of project duration is the average of the standard deviation of all activities on the critical path. Answer: FALSE Diff: 3 Type: TF Skill: comprehension Objective: LO5 Calculate the variance of activity times 18) In PERT analysis, the identification of the critical path can be incorrect if a noncritical activity takes substantially more than its expected time. Answer: TRUE Diff: 3 Type: TF Skill: comprehension Objective: LO5 Calculate the variance of activity times 19) Shortening the project's duration by deleting unnecessary activities is called "project crashing." Answer: FALSE Diff: 2 Type: TF Skill: comprehension Objective: LO6 Crash a project 20) In project management, crashing an activity must consider the impact on all paths in the network. Answer: TRUE Diff: 2 Type: TF Skill: comprehension Objective: LO6 Crash a project 3 © 2020 Pearson Canada Inc.

21) Which of the following statements regarding EllisDon is false? A) Its competitive advantage is project management. B) It is a Canadian leader in engineering and construction project management. C) EllisDon believes in becoming deeply involved in each project. D) EllisDon believes in a hands-off approach to project management. E) All of the above are false. Answer: D Diff: 2 Type: MC Skill: knowledge Objective: Global company profile 22) Which of the following statements about EllisDon is true? A) They accept contracts for projects only if they are the builder. B) They will only work on very large (mega-) projects. C) They have built a network of expertise in the construction industry. D) They will accept contracts for projects in Canada. E) They are located in Alberta because most of their projects are there. Answer: C Diff: 2 Type: MC Skill: knowledge Objective: Global company profile 23) EllisDon work with all of the following except A) workers. B) sub-contractors. C) construction professionals. D) engineers. E) EllisDon works with all of the above. Answer: A Diff: 2 Type: MC Skill: knowledge Objective: Global company profile 24) The phases of project management are A) planning, scheduling, and controlling. B) planning, programming, and budgeting. C) planning, organizing, staffing, leading, and controlling. D) different for manufacturing projects than for service projects. E) GANTT, CPM, and PERT. Answer: A Diff: 2 Type: MC Skill: knowledge Objective: The importance of project management

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25) Which of the following is one of the three phases of project management? A) forward-passing B) scheduling C) organising D) constructing E) crashing Answer: B Diff: 2 Type: MC Skill: knowledge Objective: The importance of project management 26) A project organization A) is effective for companies with multiple large projects. B) is appropriate only in construction firms. C) often fails when the project cuts across organizational lines. D) is only appropriate for technical projects. E) is especially useful for small project. Answer: A Diff: 2 Type: MC Skill: comprehension Objective: Project planning 27) Which of the following statements regarding project management is false? A) Gantt charts give a timeline for each of a project's activities, but they do not adequately illustrate the interrelationships between the activities and the resources. B) A project organization works best for a project that is temporary but critical to the organization. C) A project organization works well when the work contains simple, independent tasks. D) Gantt charts and PERT/CPM are never used together. E) All of the above are false. Answer: C Diff: 3 Type: MC Skill: comprehension Objective: Project planning 28) A code of ethics especially for project managers A) has been established by the Project Management Institute. B) has been formulated by the Federal government. C) has been formulated by the World Trade Organization. D) is inappropriate, since everyone should use the same guidance on ethical issues. E) does not exist at this time. Answer: A Diff: 2 Type: MC Skill: knowledge Objective: Project planning

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29) Ethical issues that may arise in projects large and small due to A) fair selection of contractors. B) accurate expense reports. C) enforcement of safety or health standards. D) pressure to mask delays with false status reports. E) adherence to quality standards. Answer: D Diff: 2 Type: MC Skill: comprehension Objective: Project planning 30) The project organization works best when which of the following conditions are satisfied? A) Work can be defined with a specific goal and deadline. B) The job is typical and familiar to the existing organization. C) The work contains simple tasks requiring no special skills. D) The project is temporary but unimportant to long-term organizational success. E) The project is confined to one functional area. Answer: A Diff: 3 Type: MC Skill: comprehension Objective: Project planning 31) A project organization that becomes permanent is often referred to as a A) fixed project organization. B) matrix organization. C) normal organization. D) standard organization. E) mixed-function organization. Answer: B Diff: 2 Type: MC Skill: knowledge Objective: Project planning 32) WBS stands for which of the following project management tools? A) Work Break Schedule B) Work Breakdown Status C) Work Breakdown Schedule D) Work Breakdown Structure E) Week Breakdown Schedule Answer: D Diff: 1 Type: MC Skill: knowledge Objective: Project planning

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33) Match the following steps in Microsoft's development of Windows 7 to their respective WBS level. Step Level Develop Windows 10 OS ? System Testing ? Compatible with 8 OS ? Develop GUI's ? Module Testing ? A) Level 1, Level 2, Level 4, Level 3, Level 3 B) Level 1, Level 2, Level 3, Level 4, Level 5 C) Level 0, Level 1, Level 2, Level 3, Level 4 D) Level 0, Level 2, Level 2, Level 3, Level 3 E) Level 0, Level 1, Level 1, Level 2, Level 3 Answer: A Diff: 3 Type: MC Skill: application Objective: Project planning 34) Which of the following statements regarding Gantt charts is true? A) Gantt charts give a timeline and precedence relationships for each activity of a project. B) Gantt charts use the four standard spines of Methods, Materials, Manpower, and Machinery. C) Gantt charts are visual devices that show the duration of activities in a project. D) Gantt charts are expensive. E) Gantt charts identify the critical path. Answer: C Diff: 2 Type: MC Skill: comprehension Objective: LO1 Use a Gantt chart for scheduling 35) The main difference between PERT and CPM is that A) PERT is more accurate than CPM. B) PERT assumes that activity durations are known. C) PERT ignores activity costs. D) CPM assumes that activity durations can vary. E) they differ in terminology and in the construction of the network. Answer: A Diff: 2 Type: MC Skill: comprehension Objective: Project management techniques: PERT and CPM

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36) A project manager is interested in crashing a project with variable activity times. Which of the following tools should he/she employ? A) PERT B) CPM C) Gantt Chart D) either PERT or CPM E) PERT, CPM, or a Gantt chart are fine Answer: A Diff: 2 Type: MC Skill: comprehension Objective: LO6 Crash a project 37) The difference between AON and AOA networks is that A) AOA networks often require dummy activities, while AON networks sometimes add dummy activities for convenience. B) nodes consume no resources or time in AOA networks. C) both are acceptable in practice, however Microsoft Project uses AON. D) in AON nodes designate activities, in AOA arrows designate activities. E) All of the above are true. Answer: A Diff: 3 Type: MC Skill: comprehension Objective: LO2 Draw AOA and AON networks 38) Which of the following statements regarding critical paths is true? A) The shortest of all paths through the network is the critical path. B) Some activities on the critical path may have slack. C) Every network has only one critical path. D) On a specific project, there can be multiple critical paths, all with exactly the same duration. E) The duration of the critical path is the average duration of all paths in the project network. Answer: D Diff: 3 Type: MC Skill: comprehension Objective: LO4 Determine a critical path 39) Which of the following statements regarding CPM is true? A) The critical path is the shortest of all paths through the network. B) The critical path is that set of activities that has positive slack. C) Some networks have no critical path. D) All activities on the critical path have their LS equal to the maximum EF of all immediate predecessors. E) The critical path is that set of activities that has negative slack. Answer: D Diff: 2 Type: MC Skill: comprehension Objective: LO4 Determine a critical path 8 © 2020 Pearson Canada Inc.

40) A simple CPM network has three activities, A, B, and C. A is an immediate predecessor of B and of C. B is an immediate predecessor of C. The activity durations are A = 4, B = 3, C = 8. A) The critical path is A-B-C, duration 15. B) The critical path is A-C, duration 12. C) The critical path is A-B-C, duration 13.5. D) The critical path cannot be determined without knowing PERT expected activity times. E) The network has no critical path. Answer: A Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 41) A simple CPM network has three activities, D, E, and F. D is an immediate predecessor of E and of F. E is an immediate predecessor of F. The activity durations are D = 5, E = 4, F = 9. A) The critical path is D-E-F, duration 18. B) The critical path is D-F, duration 14. C) Slack at D is 4 units. D) Slack at E is 4 units. E) The network has two critical paths. Answer: A Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 42) A simple CPM network has five activities, A, B, C, D, and E. A is an immediate predecessor of C and of D. B is also an immediate predecessor of C and of D. C and D are both immediate predecessors of E. A) There are two paths in this network. B) There are four paths in this network. C) There are five paths in this network. D) There are 25 paths through this network. E) There is no critical path in this network. Answer: B Diff: 2 Type: MC Skill: application Objective: LO3 Complete forward and backward passes for a project

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43) Activity D on a CPM network has predecessors B and C, and has successor F. D has duration 6. B's earliest finish is 18, while C's is 20. F's late start is 26. Which of the following is definitely true? A) B is a critical activity. B) C is completed before B. C) D has no slack but is not critical. D) D is critical and has zero slack. E) F is critical and has zero slack. Answer: D Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 44) Which of the following statements regarding CPM networks is true? A) There can be multiple critical paths on the same project, all with different durations. B) The early finish of an activity is the latest early start of all preceding activities. C) The late start of an activity is its late finish plus its duration. D) If a specific project has multiple critical paths, all of them will have the same duration. E) If a specific project has multiple critical paths, all of them will have negative slack. Answer: D Diff: 2 Type: MC Skill: comprehension Objective: LO3 Complete forward and backward passes for a project 45) Activity R on a CPM network has predecessors M and N, and has successor S. R has duration 5. N's late finish is 18, while M's is 20. S's late start is 14. Which of the following is definitely true? A) R is critical and has zero slack. B) R has no slack but is not critical. C) The set of given times cannot all be possible. D) N is a critical activity. E) S is a critical activity. Answer: C Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 46) Which of the following statements concerning CPM activities is false? A) The early finish of an activity is the early start of that activity plus its duration. B) The late finish is the earliest of the late start times of all successor activities. C) The late start of an activity is its late finish less its duration. D) The late finish of an activity is the earliest late start of all preceding activities. E) The early start of an activity is the latest early finish of all preceding activities. Answer: D Diff: 3 Type: MC Skill: comprehension Objective: LO3 Complete forward and backward passes for a project 10 © 2020 Pearson Canada Inc.

47) The time an activity will take assuming very unfavorable conditions is A) the optimistic time. B) the pessimistic time. C) the activity variance. D) the minimum time. E) exactly twice as long as the expected time. Answer: B Diff: 2 Type: MC Skill: comprehension Objective: LO5 Calculate the variance of activity times 48) The critical path for the network activities shown below is ________ with duration ________.

Activity A B C D E

Duration 4 2 7 4 5

Immediate Predecessors — A — A B, C, D

A) A-B-D; 10 B) A-B-E; 11 C) C-E; 12 D) A-D-E; 13 E) A-B-C-D-E; 22 Answer: D Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path

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49) The critical path for the network activities shown below is ________ with duration ________.

Activity A B C D E

Duration 2 4 6 1 2

Immediate Predecessors — — A, B A, B B, C, D

A) A-D-E; 5 B) B-E; 6 C) B-D-E; 7 D) A-C-E; 10 E) B-C-E; 12 Answer: A Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 50) The ________ distribution is used by PERT analysis to calculate expected activity times and variances. A) Normal B) Beta C) Alpha D) Gaussian E) Binomial Answer: B Diff: 1 Type: MC Skill: knowledge Objective: LO5 Calculate the variance of activity times 51) The expected activity time in PERT analysis is calculated as A) the simple average of the optimistic, pessimistic, and most likely times. B) the weighted average of a, m, and b, with m weighted 4 times as heavily as a and b. C) the sum of the optimistic, pessimistic, and most likely times. D) the sum of the optimistic, pessimistic, and most likely times, divided by six. E) the sum of the activity variances, divided by six. Answer: B Diff: 3 Type: MC Skill: comprehension Objective: LO5 Calculate the variance of activity times

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52) The critical path for the network activities shown below is ________ with duration ________.

Activity A B C D E

Duration 10 8 2 4 5

Immediate Predecessors ----A A B, C, D

A) A-C; 12 B) A-D-E; 19 C) B-E; 13 D) A-B-C-D-E; 29 E) A-B-C; 20 Answer: B Diff: 3 Type: MC Skill: application Objective: LO4 Determine a critical path 53) Which of the following statements regarding PERT times is true? A) The optimistic time estimate is an estimate of the minimum time an activity will require. B) The optimistic time estimate is an estimate of the maximum time an activity will require. C) The probable time estimate is calculated as t = (a + 4m + b). D) Pessimistic time estimate is an estimate of the minimum time an activity will require. E) Most likely time estimate is an estimate of the maximum time an activity will require. Answer: A Diff: 3 Type: MC Skill: comprehension Objective: LO5 Calculate the variance of activity times 54) Which of the following statements regarding PERT times is true? A) The expected time is an estimate of the time an activity will require if everything goes as planned. B) The optimistic time estimate is an estimate of the maximum time an activity will require. C) The expected time estimate is calculated as t = (a + 4m + b)/6. D) The pessimistic time estimate is an estimate of the minimum time an activity will require. E) The most likely time estimate is an estimate of the maximum time an activity will require. Answer: C Diff: 2 Type: MC Skill: comprehension Objective: LO5 Calculate the variance of activity times

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55) The Beta distribution is used in project management to A) calculate slack on activities not on the critical path. B) calculate the probability that a project will be completed within its budget. C) calculate pessimistic and optimistic activity times. D) determine which activity should be crashed. E) none of the above. Answer: A Diff: 2 Type: MC Skill: comprehension Objective: LO5 Calculate the variance of activity times 56) The Beta distribution is used in project management to A) determine which activity should be crashed. B) calculate the probability that a project wi...