Deck 8: Project Management

Question 1

The critical path is the longest path through the project network.

Answer 1

True

Question 2

Estimating project funds is an element of project planning.

Answer 2

False

Question 3

In PERT, the expected project completion time is assumed to be distributed according to a beta distribution.

Answer 3

False

Question 4

An element of project planning is to compare the project schedule objectives.

Question 5

In PERT, the project variance is the sum of the variance of all project activities.

Question 6

A work breakdown structure breaks down a project into subcomponents, components, activities, and tasks.

Question 7

Slack is the amount of time an activity can be delayed without delaying the project.

Question 8

In PERT, three time estimates (optimistic, most likely, and pessimistic) provide an estimate of the mean and variance for each activity, based on the normal distribution.

Question 9

One aspect of project control is team building.

Question 10

Project crashing is a method for shortening the project completion time by reducing the completion time of one or more critical activities at a cost.

Question 11

Project teams are made up of individuals from various areas and departments within a company.

Question 12

A statement of work is a written description of the goals, work, and time frame of a project.

Question 13

Making time estimates is an element of project planning.

Question 14

The critical path is the shortest path through the project network.

Question 15

The expected project completion time is assumed to be normally distributed.

Question 16

Determining project completion time is an element of project planning.

Question 17

Establishing precedence relationships is an element of project planning.

Question 18

The sequence of activities in a project is depicted by the precedence relationships.

Question 19

Setting deadlines is an element of project planning.

Question 20

The critical path activities have no slack.

Question 21

The PERT pessimistic time estimate is an estimate of the minimum time an activity will require.

Question 22

In PERT, the actual project completion time will never exceed the expected duration of the critical path.

Question 23

In PERT, the path with the fewest activities is referred to as the critical path.

Question 24

The earliest finish time for the final activity on a project network is also the total completion of the project.

Question 25

Two concurrent activities in a project can be represented in an AOA network by starting and ending on the same node.

Question 26

Project ________ is a method for shortening the project completion time by reducing the completion time of one or more critical activities at a cost.

Question 27

Three time estimates (optimistic, most likely, and pessimistic) provide an estimate of the mean and variance for each activity, based on the ________ distribution.

Question 28

The early start for a non-critical activity is always equal to the earliest finish of the preceding activity.

Question 29

The standard deviation of project duration is the average of the standard deviation of all activities on the critical path.

Question 30

The early start for an activity on the critical path is always equal to the earliest finish of the preceding activity.

Question 31

Shortening the project's duration by deleting unnecessary activities is called crashing.

Question 32

The early start of an activity that has only one predecessor is equal to the early finish of that predecessor

Question 33

An AON network will never require dummy activities.

Question 34

The early finish for an activity on the critical path is equal to the latest finish of the preceding activity.

Question 35

When earliest finish is subtracted from latest finish, we obtain the slack value for the activity.

Question 36

An AOA network will never require dummy activities.

Question 37

Crashing cost is always higher than the normal cost.

Question 38

The early start of an activity that has more than one predecessor is the minimum of the earliest finishes of all predecessors.

Question 39

A work breakdown structure is a useful tool because it addresses the timing of individual work elements.

Question 40

The expected project completion time is assumed to be ________ distributed based on the central limit theorem.

Question 41

If the early start for activity A is equal to 23 months and the duration of activity A is equal to 5 months, what is the earliest finish for activity A?

Question 42

The critical path activities have no ________.

Question 43

Consider the following network.

The early start for activity 2 is ________.

Question 44

Refer to the table below to answer the question(s) that follow:

What is the critical path for this project network?

Question 45

________ is the amount of time an activity can be delayed without delaying the project.

Question 46

Refer to the table below to answer the question(s) that follow:

Determine the latest start for activity E.

Question 47

Consider the following network.

The latest start for activity 3 is ________.

Question 48

Refer to the table below to answer the question(s) that follow:

What is the estimated expected mean time (in weeks) for the project completion?

Question 49

Refer to the table below to answer the question(s) that follow:

What are the estimated slack times (in weeks) for activities A-H?

Question 50

Refer to the table below to answer the question(s) that follow:

What are the estimated expected completion (mean) times (in weeks) for activities A-H?

Question 51

Refer to the table below to answer the question(s) that follow:

What is the estimated standard deviation (in weeks) for the critical path completion time?

Question 52

Refer to the table below to answer the question(s) that follow:

What are the estimated standard deviations (in weeks) in the times for activities A-H?

Question 53

When applying linear programming models to project crashing, the objective is to minimize ________.

Question 54

When applying linear programming models to project planning, the objective is to minimize ________.

Question 55

A(n) ________ chart is a graph or a bar chart for each activity that shows the project schedule and the passage of time.

Question 56

If the earliest finish for activity C is equal to 10 months and its duration 3 months, what is its earliest start?

Question 57

A ________ breaks down a project into modules: subcomponents, components, activities, and tasks.

Question 58

When the earliest start time (ES) of an activity is subtracted from the latest start time (LS) of an activity, the value obtained is called ________.

Question 59

In an AOA network, a ________ activity is used to show a precedence relationship, but it does not represent passage of time.

Question 60

A ________ shows who in the organization is responsible for doing the work in a project.

Question 61

Once a project is underway, the project manager is responsible for the

A) people.
B) cost.
C) time.
D) all of the above

Question 62

Consider the following network.

Identify all paths in the network.

Question 63

The diagram below shows the activities on the nodes, and the table shows the normal time and crash time (in days) and cost for each activity.


Determine which activities should be crashed to shorten the project by 3 days. What is the cost?

Question 64

Assume that the variance for each activity in the network is equal to 1. Compute the probability that path A-B-E-F will be completed in 15 days.

Question 65

Given the following information for a project, identify the critical path and determine the total completion time of the project.

Question 66

How long will it take to complete the project?

Question 67

Consider the following network.

Identify the critical path.

Question 68

Within what amount of time (in weeks) is there a 99% probability that the critical path for this project will be completed?

Question 69

Refer to the table below to answer the question(s) that follow:

What is the probability that the critical path for this project will be completed within 75 weeks?

Question 70

Given the following information for a project, draw the AON (Activity-On-Node) project network.

Question 71

Elements of project planning include

A) defining project objectives.
B) identifying activities to crash.
C) calculating expected times and standard deviations.
D) conducting a "lessons learned" session.

Question 72

Elements of project planning include

A) identifying time-cost tradeoffs.
B) determining the project critical path.
C) comparing project schedule objectives.
D) all of the above

Question 73

A work breakdown structure breaks down a project into

A) weeks.
B) areas.
C) arcs.
D) modules.

Question 74

Given the following information for a project, draw the AOA (Activity-On-Arrow) project network.

Question 75

The diagram below shows the activities on the nodes, and the table shows the normal time and crash time (in days) and cost for each activity.


Determine which activities should be crashed to shorten the project by 1 day.

Question 76

If an activity cannot be delayed without affecting the entire project, then it is a ________ activity.

A) completed
B) critical
C) crashed
D) normal

Question 77

Given the following information for a project, what are the estimated slack times (in weeks) for activities A-H?

CP = Critical Path

Question 78

Within what amount of time (in weeks) is there a 90% probability that the critical path for this project will be completed?

Question 79

The diagram below shows the activities on the nodes, and the table shows the normal time and crash time (in days) and cost for each activity.


Determine which activities should be crashed to shorten the project by 2 days.

Question 80

Refer to the table below to answer the question(s) that follow:

What is the probability that the critical path for this project will be completed within 80 weeks?