BA 360 - Introduction To Operations and Supply Chain Management » Spring 2022 » Quiz Chapter 2

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Question #1
If an activity whose normal duration is 15 days can be shortened to 10 days for an added cost of $2,000, what is the crash cost per period?
A.   $10,000
B.   $30,000
C.   $400
D.   $2,000
E.   $20,000
Question #2
For an activity in a CPM analysis, the Early Start time is 8 and the Late Start time is 10. Which of the following statements is true?
A.   The Early Finish is 10
B.   The duration of this activity is 2
C.   The Late Finish is 12
D.   The activity is on the critical path
E.   The slack for this activity is 2
Question #3
You have just performed a CPM analysis and have found that more than one path through the project network has zero slack values. What can you conclude?
A.   Only one path is optimal
B.   You have multiple critical paths
C.   You have incorrectly performed the analysis
D.   The project will not be completed by the desired time
Question #4
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.   If a specific project has multiple critical paths, all of them will have the same duration.
C.   There can be multiple critical paths on the same project, all with different durations.
D.   The early finish of an activity is the latest early start of all preceding activities.
Question #5
Slack is the amount of time an activity can be delayed without delaying the entire project.
A.   True
B.   False
Question #6
Which of the following statements regarding PERT analysis is true?
A.   The most likely time is equivalent to the expected activity time.
B.   Project variance is the sum of all activity variances.
C.   Only critical activities contribute to the project variance.
D.   Each activity has two estimates of its duration.
E.   Project standard deviation is the sum of all critical activity standard deviations.
Question #7
An activity on a PERT network has these time estimates: optimistic = 2, most likely = 5, and pessimistic = 10. What is its expected activity time?
A.   10.67
B.   5.67
C.   32.00
D.   5.00
E.   5.33
Question #8
Which of these statements regarding time-cost tradeoffs in CPM networks is true?
A.   Activities not on the critical path can never be on the critical path, even after crashing.
B.   Crashing a project often reduces the length of long-duration, but noncritical, activities.
C.   Crashing is not possible unless there are multiple critical paths.
D.   The crash time always exceeds the normal time.
E.   Crashing shortens the project duration by assigning more resources to one or more of the critical tasks.
Question #9
The phases of project management are:
A.   GANTT, CPM, and PERT.
B.   planning, programming, and budgeting.
C.   different for manufacturing projects than for service projects.
D.   planning, scheduling, and controlling.
E.   planning, organizing, staffing, leading, and controlling.
Question #10
Ethical issues that may arise in projects large and small include:
A.   exaggerated expense reports.
B.   gifts from contractors.
C.   compromised quality standards to meet bonuses or avoid penalties related to schedules.
D.   pressure to mask delays with false status reports.
E.   All of these.
Question #11
A project organization that becomes permanent is often referred to as a:
A.   fixed project organization.
B.   standard organization.
C.   permanent project organization.
D.   normal organization.
E.   matrix organization.
Question #12
A(n) ________ divides a project into more and more detailed components.
A.   Immediate Predecessor
B.   Work Breakdown Structure (WBS)
C.   PERT analysis
D.   Critical Path
E.   Forward and Backward Pass
Question #13
Which of the following statements regarding Gantt charts is true?
A.   Gantt charts are visual devices that show the duration of activities in a project.
B.   All of these are true.
C.     
D.   Gantt charts give a timeline and precedence relationships for each activity of a project.
E.   Gantt charts are expensive.
F.   Gantt charts use the four standard spines of Methods, Materials, Manpower, and Machinery.
Question #14
Which of the following statements regarding critical paths is true?
A.   The duration of the critical path is the average duration of all paths in the project network.
B.   Some activities on the critical path may have slack.
C.   Every network has only one critical path.
D.   The shortest of all paths through the network is the critical path.
E.   On a specific project, there can be multiple critical paths, all with exactly the same duration.

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